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The Journal of Clinical Endocrinology and Metabolism|January 1, 1997
Differential expression of 11 beta-hydroxysteroid dehydrogenase types 1 and 2 in human placenta and fetal membranesK Sun, K Yang, J R Challis
Journal of Developmental Physiology|June 1, 1987
Effects of maternal indomethacin administration on fetal breathing movements in sheepJ Patrick, J R Challis, J Cross
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