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  • 1
    Electronic Resource
    Electronic Resource
    FETAL HEART RATES AS DETERMINED BY SONAR IN EARLY PREGNANCY (1973)
    Oxford, UK : Blackwell Publishing Ltd
    BJOG 80 (1973), S. 0 
    Details
    ISSN: 1471-0528
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Using a pulsed ultrasound technique, the human fetal heart rate was studied between 45 days and 15 weeks after the first day of the last menstrual period. The heart rate rose from a level of 123 beats per minute at 45 days to a peak of 177 beats per minute at 9 weeks, and then gradually fell to a value of 147 beats per minute at 15 weeks. In cases of threatened abortion the fetal heart rates were not statistically different from those in normal pregnancies. The changes in heart rate were correlated with the morphological and physiological changes which occur in the fetal heart during this period.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1471-0528.1973.tb11222.x
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    THE ULTRASTRUCTURE OF HUMAN TROPHOBLAST IN SPONTANEOUS AND INDUCED HYPOXIA USING A SYSTEM OF ORGAN CULTURE (1972)
    Oxford, UK : Blackwell Publishing Ltd
    BJOG 79 (1972), S. 0 
    Details
    ISSN: 1471-0528
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: The ultrastructural changes in normal trophoblast maintained in organ culture are described. In well oxygenated conditions the fine structural integrity of the trophoblast is maintained up to 96 hours, and the tissue appears to function normally. Hypoxia quickly damages the syncytium and marked changes occur throughout the trophoblast, including apparent attempts at regeneration. These experimentally produced changes in hypoxia are very similar to the ultrastructural placental bnormalities already described in pre-eclampsia, and more so to the placental abnormalities in placental insufficiency, which are described here for the first time. These similarities suggested that hypoxia is a primary aetiological factor in these conditions rather than an effect of the primary disease process.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1471-0528.1972.tb15763.x
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Follow the radical road: Comment on R. L. M. newell's paper (1995)
    New York, NY [u.a.] : Wiley-Blackwell
    Clinical Anatomy 8 (1995), S. 131-133 
    Details
    ISSN: 0897-3806
    Keywords: Life and Medical Sciences ; Miscellaneous Medical
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/ca.980080209
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    Paper (German National Licenses)
    Fulltext
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