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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Archives of gynecology and obstetrics 231 (1981), S. 51-56 
    ISSN: 1432-0711
    Keywords: Dizygotic twinning ; Implantation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Two ova implanted in one uterus were found at the autopsy of a 28-year-old woman. The ovulation age of both implantations has been estimated to be 10–12 days. The presence of two equally large corpora lutea, one in each ovary, indicates that the implanted ova originated from different ovaries. Thus, an “ovulatio biovarialis” seems to be the basis for the dizygotic twinning in this case. The case is believed to be the only documented example of a very early dizygotic, fraternal pregnancy in humans.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    Journal of the American Chemical Society 79 (1957), S. 1011-1012 
    ISSN: 1520-5126
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    The @journal of organic chemistry 20 (1955), S. 819-822 
    ISSN: 1520-6904
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Anatomia, histologia, embryologia 5 (1976), S. 0 
    ISSN: 1439-0264
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Mit Hilfe enzymhistochemischer Methoden konnte festgestellt werden, daß die wichtigsten Anteile der spokrinen Hautdrüsen des Hausschweiness deutliche Aktivitäten verschiedener oxydativer Enzyme besitzen
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Anatomia, histologia, embryologia 7 (1978), S. 0 
    ISSN: 1439-0264
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Copenhagen : International Union of Crystallography (IUCr)
    Acta crystallographica 34 (1978), S. 2350-2351 
    ISSN: 1600-5740
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Chemistry and Pharmacology , Geosciences , Physics
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Copenhagen : International Union of Crystallography (IUCr)
    Acta crystallographica 37 (1981), S. 1139-1141 
    ISSN: 1600-5740
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Chemistry and Pharmacology , Geosciences , Physics
    Type of Medium: Electronic Resource
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  • 8
    ISSN: 1438-3888
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Cercariae of the trematodeCryptocotyle concavum, which encyst in skin and/or kidney of sticklebacks and gobies, were studied in the Schlei Fjord (western Baltic Sea). Mean incidence of dermal cysts was 48 % inGasterosteus aculeatus and 37 % inPungitius pungitius. No cysts were found in the kidneys of sticklebacks. While 97 % ofPomatoschistus microps had encysted metacercariae in the kidneys, only 2 % had cysts in the skin.Pomatoschistus minutus, however, showed hardly any cyst infestation of either skin or kidney. InP. microps the intensity of infestation by metacercariae was frequently more than 50 cysts; in contrast, sticklebacks rarely exhibited more than 5 dermal cysts. Infested fish were larger than 10 mm in total length, the incidence rate increasing with growth. Parasitic infestation depends on ambient salinity:C. concavum was not found at salinities below 4 ‰. In contrast to the high incidence in fish, the first hosts — the snailsHydrobia stagnalis andH. neglecta — showed remarkably low infection rates (3 to 5 %). The findings reported are related to the distribution ofC. concavum, the mode of life of infested fish, the feeding habits of the final hosts and the infestation ofP. microps by other parasites. Evidently,P. microps represents an optimal second host forC. concavum.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Springer
    Langenbeck's archives of surgery 340 (1975), S. 107-115 
    ISSN: 1435-2451
    Keywords: Pancreatic exocrine function ; Islet function ; Transplantation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung In unserer Versuchsanordnung haben wir ein Modell einer in traabdominellen heterotopen Pankreas-Duodenum-Autotransplantation geschaffen. Zwei Hunde überlebten für lange Zeit in befriedigendem Zustand. Zu Anfang, unmit telbar nach Pankreas-Autotransplantation, konnte ein Gewichtsverlust infolge exokriner Pankreasunterfunktion beobachtet werden. 3 Monate später hatten die Tiere wieder ihr Ausgangsgewicht. Im Gegensatz zur exokrinen Funktion konnte die endokrine über den gesamten Beobachtungszeitraum, mit Ausnahme weniger Tage unmittelbar nach der Transplantation, erhalten werden. Im Gegensatz zu Kontrolltieren zeigte sich beim Tolbutamid-Test eine signifikante Verlängerung der Hypoglykämie. Der Glucosetoleranz Test verlief normal. Eine Fibrosierung nach Pankreas-Autotransplantation konnte nicht beobachtet werden. Dieses experimentelle Modell ist sehr hilfreich für die Langzeit Beobachtung einer heterotopen Pankreas-Autotransplantation. Denervierung und Unterbrechung der lymphatischen Bahnen scheinen zwar einen vorübergehenden, jedoch keinen dauerhaften Einfluß auf die endokrine oder exokrine Pankreasfunktion zu haben.
    Notes: Summary We have described a technique of one stage intraabdominal heterotopic pancreaticduodenal autotransplantation which has resulted in long term survival of dogs in good health. Malnutrition related to pancreatic exocrine hypofunction occurs initially but gradual recovery by 3 months nutrition is normal. In contrast, endocrine function is well preserved throughout the postoperative period except for a few days immediately after transplantation. Tolbutamide testing showed a significant prolongation of hypoglycemia as compared to controls although glucose tolerance curves were normal. There was no fibrosis after pancreas- autotransplantation. This experimental model is useful for long term evaluation of heterotopic transplantation of the pancreas. Denervation and lymphatic interruption of the pancreas may cause a transient but not definitive influence on pancreatic endocrine or exocrine function.
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Springer
    The European physical journal 277 (1976), S. 141-146 
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The elastic scattering of 140-MeV16O and 175- and 252-MeV20Ne from235U has been measured. Experimental ratios of elastic to Rutherford scattering cross sections are analyzed in terms of both Fresnel scattering and optical models. The radius parameters derived from these analyses are found to be nearly independent of projectile energy. Total reaction cross sections are obtained and found to be in good agreement with the total fission cross section for these systems. Comparisons between the Fresnel theory and the optical model give generally good agreement. A simple formula which parameterizes the total reaction cross section in terms of the interaction radius is presented for16O and20Ne reactions.Nuclear Reactions:235U(16O,16O),E=140 MeV;235U(20Ne,20Ne),E=175 MeV, 252 MeV; measuredσ el; compared with Fresnel and optical models; deduced maximum angular momenta, interaction radii, total reaction cross section.
    Type of Medium: Electronic Resource
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