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  • 1995-1999  (4)
  • 1990-1994  (6)
  • 1
    Electronic Resource
    Electronic Resource
    Symposium: Inflammatory bowel disease—spectrum (1990)
    Springer
    Diseases of the colon & rectum 33 (1990), S. 232-240 
    Details
    ISSN: 1530-0358
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02134187
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Papillomavirus and anal carcinoma (1998)
    Springer
    International journal of colorectal disease 13 (1998), S. 108-111 
    Details
    ISSN: 1432-1262
    Keywords: Key words Human papilloma virus ; HPV ; Anal carcinoma ; Cervical dysplasia
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Résumé Les virus HPV (16 et 18) sont connus pour jouer un rôle important dans l'étiologie de la dysplasie cervicale, mais les relations avec le cancer du canal anal demeurent peu claires. Des prélèvements chirurgicaux chez 80 femmes traitées pour un cancer épidermoïde du canal anal à la Policlinique de Chirurgie de Genève entre 1976 et 1989 ont été analysés rétrospectivement. La recherche du virus HPV a été réalisée chez 41 d'entre elles dont le DNA a été suffisamment préservé pour permettre une telle analyse. 17 prélèvements (42%) contiennent du HPV avec un pourcentage élevé de HPV de haut grade (15/41, 36%). 38 des 80 patientes ont également subi des frottis du col utérin dont 18% ont révélé la présence d'un carcinome cervical. Les résultats de cette étude ont été comparés avec les données épidémiologiques et suggèrent qu'une infection génitale HPV prédispose non seulement au cancer du col, mais également au cancer du canal anal par contamination de contiguïté.
    Notes: Abstract Human papilloma virus (HPV; 16 and 18) is known to play an important etiologic role in cervical dysplasia, but its relationship with anal carcinoma is still unclear. Surgical samples from 80 female patients treated for anal epidermoid carcinoma in the Policlinic of Surgery in Geneva between 1976 and 1989 were retrospectively studied. Of these, HPV detection was performed in 41 whose DNA was preserved well enough to allow such an analysis. Seventeen (42%) samples contained HPV, with a high percentage of high risk HPV (15/41, 36%). Thirty-eight of the 80 patients had a cervical smear, of which 18% revealed cervical carcinoma. When compared with epidemiological data, the results of this study suggest that genital HPV infection predisposes not only to cervical cancer, but also to anal carcinoma, possibly by means of contiguous contamination.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s003840050145
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Intersection point method (IPM): theoretical basis and application to spectrophotometric analyses (1997)
    Springer
    Fresenius' journal of analytical chemistry 357 (1997), S. 572-576 
    Details
    ISSN: 1432-1130
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract The Intersection Point Method (IPM) is a new method for the determination of an analyte in the presence of several unknown interferences. The method is based on the Apparent Content Curves (ACC) from derivative signals. To test the proposed procedure an analysis of mixtures of indicators with strong spectral overlapping was carried out. Results obtained agree with the theoretical values. Besides, the determination of caffeine in several pharmaceuticals by IPM provides good results.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002160050216
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Rubber band ligation of hemorrhoids: relapse as a function of time (1998)
    Springer
    International journal of colorectal disease 13 (1998), S. 154-156 
    Details
    ISSN: 1432-1262
    Keywords: Key words Hemorrhoids ; Rubber band ligation ; Success rate
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Résumé La ligature élastique représente une technique de choix pour traiter les hémorroïdes de stade II. Les résultats à long terme (〉5 ans) ne sont cependant pas établis. Nous avons, sur une période de 18 ans et un suivi moyen de 5,6 ans, determiné les récidives après traitement par ligatures élastiques de premières poussées symptomatiques d'hémorroïdes de stade II chez 92 patients. Une analyse selon la méthode de Kaplan-Meier permet de définir la probabilité cumulative de succès de ce traitement de 0,77 (intervalle: 0,67–0,88) à 4.9 ans et de 0,68 (intervalle: 0,50–0,86) à 10,6 ans. Les résultats à long terme du traitement des hémorroïdes de stade II sont bons et justifient l'utilisation de cette technique comme traitement de premier recours.
    Notes: Abstract Rubber band ligation is a well established treatment of internal second-degree hemorrhoids. Up to now, the long-term results (〉5 years) of this method have not been assessed. The aim of this study was to determine the long-term success rate of rubber band ligation in patients with a first episode of second-degree hemorrhoids not responding to medical treatment (local cream with laxative). A total of 92 patients who were treated between 1979 and 1997 for second-degree hemorrhoids responded to a questionnaire. The need for complementary conservative (sclerotherapy, cryotherapy or rubber band ligation) or surgical treatment was considered indicative of relapse. The collected data were analyzed according to the Kaplan-Meier method. The average follow-up time was 5.6 years. There were 21 patients who suffered a relapse. The probability of successful treatment was 0.77 (range: 0.67–0.88) after 5 years and 0.68 (range: 0.5–0.86) after 10.6 years. We conclude that rubber band ligation represent an efficient long-term treatment for second-degree hemorrhoids. Approximately two thirds of the patients are cured after 5 years and more than a half after 10 years.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s003840050156
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Skin cover of perineal defects using V-Y flaps (1994)
    Springer
    International journal of colorectal disease 9 (1994), S. 163-164 
    Details
    ISSN: 1432-1262
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00290195
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    Paper (German National Licenses)
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  • 6
    Electronic Resource
    Electronic Resource
    Proctological outpatient surgery (1992)
    Springer
    International journal of colorectal disease 7 (1992), S. 223-226 
    Details
    ISSN: 1432-1262
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Conclusion Our experience during a 10-year period has shown that outpatient proctological surgery is safe and has a low complication rate given careful case selection. Two-thirds of all proctological surgical procedures may be performed ambulatorily, using local anesthesia or posterior perineal block in almost 90% of cases, more extensive anesthesia being necessary in only 10% of cases. Careful patient selection, optimal postoperative wound care and adequate postoperative analgesia are mandatory to obtain the patient's acceptance. Anorectal operations performed in the outpatient department with recovery at home are welltolerated by the patient, even better, it seems, than the same operation performed involving an overnight hospital stay. Day surgery should relieve patients' anxiety and result in a short postoperative recovery time at home and a prompt return to work. Outpatient surgery frees inpatient beds and may reduce the need for hospital expansion. It has positive effects on planning of overall health care.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00341226
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  • 7
    Electronic Resource
    Electronic Resource
    The linear absorbances method adapted to systems with two interfering compounds (1993)
    Springer
    Fresenius' Zeitschrift für analytische Chemie 347 (1993), S. 305-313 
    Details
    ISSN: 1618-2650
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Summary The paper exposes the theoretical and experimental study performed with the purpose to extend the application of the Linear Absorbances Method to more complex systems, which present two spectral interferences. The curves of collinearity are developed and a theoretical study of them is carried out. The theoretical equations developed are experimentally tested and the influence of the variables involved in the Linear Absorbance Method is studied, too. It is concluded that the use of couples of collinear wavelengths of the interferents allows to obtain the concentration of a compound in the presence of two interfering substances.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00323812
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    Paper (German National Licenses)
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  • 8
    Electronic Resource
    Electronic Resource
    Effect of hydrolysis time and type of catalyst on the stability of tetragonal zirconia-silica composites synthesized from alkoxides (1993)
    Springer
    Journal of materials science 28 (1993), S. 5852-5862 
    Details
    ISSN: 1573-4803
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract ZrO2-transformation-toughened glass-ceramics have been prepared by the sol-gel process from either colloidal gels (CG) or polymeric gels from alkoxides (PG), using, in the latest method, a different catalyst (acid, basic and without catalyst), and different compositions in the ZrO2·SiO2 system (free ZrO2 included). The different methods of synthesis of tetragonal zirconia in SiO2 matrix were compared in order to obtain thermal stability, and a high amount of stabilized tetragonal zirconia. The effect of catalyst, hydrolysis time, chemical composition, critical particle size in ZrO2(t)→ZrO2(m) transformation, the doping with vanadium on the ZrO2(t) stability in SiO2 matrix and Vickers microhardness of samples have also been studied.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00365192
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    Paper (German National Licenses)
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  • 9
    Electronic Resource
    Electronic Resource
    Determination of one compound in the presence of a single interference. Linear absorbances method (1992)
    Springer
    Fresenius' Zeitschrift für analytische Chemie 343 (1992), S. 259-265 
    Details
    ISSN: 1618-2650
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Summary The paper exposes the theoretical and experimental principles of an analytical procedure for the determination of one compound in the presence of another with an overlapping absorption spectrum, without the need to use any standard solutions of the latter. The proposed method was applied to the determination of binary mixtures of known composition in order to assess its accuracy and precision.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00322371
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  • 10
    Electronic Resource
    Electronic Resource
    Determination of trimethoprim by the linear absorbances method (1995)
    Springer
    Fresenius' Zeitschrift für analytische Chemie 352 (1995), S. 396-397 
    Details
    ISSN: 1618-2650
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstracts The determination of trimethoprim in the presence of dyphylline, proxyphylline, theophylline and caffeine by the linear absorbances method is described. Collinear couples of wavelengths, for the interfering dyphylline-proxyphylline-theophylline-caffeine system (in H2SO4, 0.05 mol/L), are provided in order to allow the determination of the analyte in the presence of these interfering substances.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00322242
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