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  • 1
    Electronic Resource
    Electronic Resource
    Variance component modeling of attachment level measurements (1994)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of clinical periodontology 21 (1994), S. 0 
    Details
    ISSN: 1600-051X
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Abstract The purpose of this study was to investigate the influence of within subject and within tooth variability of attachment-level measurements on hypothesis testing. Full-mouth attachment-level measurements were obtained at 4 sites per tooth in early onset periodontitis subjects (both localized N= 89 and generalized N= 139) and adult periodontitis subjects (N= 309). Variance component models utilizing iterative generalized least squares were employed to estimate the % of variance distributed at the level of the site, tooth and subject in the 3 subject populations. The data indicate that a significant % of the variance is distributed within the tooth and the subject. Ignoring the variance attributable to teeth or subjects can result in inappropriately low type I error rates for hypothesis testing. Thus, both the subjects and the tooth must be considered in the modeling of attachment level measurements. Also in studies in which a limited number of samples are taken, data analysis would be simplified if these samples were taken from different teeth.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1600-051X.1994.tb00320.x
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  • 2
    Electronic Resource
    Electronic Resource
    Wavelength Dependence of Interstellar Polarization by Graphite Grains (1966)
    [s.l.] : Nature Publishing Group
    Nature 212 (1966), S. 167-168 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Besides fitting the extinction curve, a further requirement of any grain model is that it should account for the observed interstellar polarization. It has already been pointed out by Cayrel and Schatzmann6 and by Wick-ramasinghe7 that graphite grains tend to form as thin flakes with strongly ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/212167a0
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  • 3
    Electronic Resource
    Electronic Resource
    Athletic Performance at High Altitude (1966)
    [s.l.] : Nature Publishing Group
    Nature 211 (1966), S. 753-753 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Pugh2 compared the results of the 1955, Mexico City, Pan-American Games, with the results of the 1956 Melbourne Olympic Games and found a linear relationship between the increase in time and the logarithm of the distance of the race. The increase varied from 2*6 per cent for the 800 m event to ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/211753a0
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  • 4
    Electronic Resource
    Electronic Resource
    Letters to the Editors (1983)
    Oxford, UK : Blackwell Publishing Ltd
    Clinical & experimental allergy 13 (1983), S. 0 
    Details
    ISSN: 1365-2222
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2222.1983.tb02601.x
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  • 5
    Electronic Resource
    Electronic Resource
    The possible role of aero-allergens in the epidemic of asthma deaths (1981)
    Oxford, UK : Blackwell Publishing Ltd
    Clinical & experimental allergy 11 (1981), S. 0 
    Details
    ISSN: 1365-2222
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: The ‘epidemic’ of asthma deaths observed m the mid 1960s remains unexplained; various aetiological factors having been suggested. We suggest that aero-allergenic factors may have been important based on an analysis of aero-allergens in Cardiff over a 17-year period: a striking temporal association exists between the concentration of hyaline ascospores and increased asthma deaths. These spores, which are particularly prevalent in the summer months, have been inadequately studied as a cause of severe asthma.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2222.1981.tb02182.x
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  • 6
    Electronic Resource
    Electronic Resource
    A comparison of mite populations in mattress dust from hospital and from private houses in Cardiff, Wales (1975)
    Oxford, UK : Blackwell Publishing Ltd
    Clinical & experimental allergy 5 (1975), S. 0 
    Details
    ISSN: 1365-2222
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Fifty mattress dust samples from private houses were examined—all were mite infested. Dermatophagoides pteronyssinus occurred in all samples and accounted for 81% of all mites.In thirty-two paired samples the total mite population of bedroom floor dust was only 10% of that found in the corresponding mattress dust. D. pteronyssinus was the dominant species in both and the population of this mite amounted to 7.5% of that found in the mattress dust.An analysis of mattress dust from 100 hospital beds showed that ninety-four mattresses were mite free; the other six contained only seven mites, all D. pteronyssinus.It is suggested that frequent changing and washing of bed linen and brushing and cleaning of mattresses were the main factors in preventing mite infestation in the Cardiff hospitals.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2222.1975.tb01854.x
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  • 7
    Electronic Resource
    Electronic Resource
    Selective epitaxial growth in silicon on insulator: Planarity and mass flow (1989)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 65 (1989), S. 3718-3721 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Seeded zone-melt recrystallization using a dual electron beam system has been performed on silicon-on-insulator material, which was prepared with single-crystal silicon filling of the seed windows by selective epitaxial growth. The crystal quality has been assessed by a variety of microscopic techniques, and it is shown that single-crystal films 0.5–1.0 μm thick over 1.0 μm of isolating oxide may be prepared by this method. These films have considerably less lateral variation in thickness than standard material, in which the windows are not so filled. The filling method is suitable for both single- and multiple-layer silicon-on-insulator, and gives the advantages of excellent layer uniformity after recrystallization and improved planarity of the whole chip structure. Experiments using various amounts of seed window filling have shown that the lateral variations of silicon film thickness seen in unplanarized material are due to stress relief in the cap oxide when the silicon film is molten, rather than the effect previously postulated in which they were assumed to be due to the contraction of silicon on melting.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.342602
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  • 8
    Electronic Resource
    Electronic Resource
    Clinical implications for immunoscintigraphy in patients with ovarian malignancy: a preliminary study using monoclonal antibody 791T/36 (1985)
    Oxford, UK : Blackwell Publishing Ltd
    BJOG 92 (1985), S. 0 
    Details
    ISSN: 1471-0528
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Summary. Twelve patients with suspected primary and recurrent carcinoma of the ovary have undergone immunoscintigraphy with an anti-tumour monoclonal antibody in order to assess the impact of the technique on patient management. Consistent tumour uptake of radiolabelled antibody was visualized in malignant tumours after subtraction of the blood background activity. Eight patients were imaged before surgery and in all of these the sites of uptake visualized on the images agreed with the surgical findings. In one patient with recurrent disease the imaging information was used as an aid for establishing the extent of external beam radiotherapy. A repeat study in this patient 6 months later revealed a reduction in the size of the tumour, which still concentrated labelled antibody and confirmed the viability of repeat investigations. Immunoscintigraphy was capable of providing diagnostic information which may offer an alternative to second-look surgery in these patients.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1471-0528.1985.tb01094.x
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  • 9
    Electronic Resource
    Electronic Resource
    WOODLANDS AS A SOURCE OF ALLERGENS (1968)
    Oxford, UK : Blackwell Publishing Ltd
    Allergy 23 (1968), S. 0 
    Details
    ISSN: 1398-9995
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1398-9995.1968.tb04059.x
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  • 10
    Electronic Resource
    Electronic Resource
    ASTHMA AND PREGNANCY (1967)
    Oxford, UK : Blackwell Publishing Ltd
    Allergy 22 (1967), S. 0 
    Details
    ISSN: 1398-9995
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1398-9995.1967.tb03228.x
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