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American Journal of Obstetrics and Gynecology|July 1, 1995
Increased fetal plasma prostaglandin E2 concentrations during fetal placental embolization in pregnant sheepJ Murotsuki, J R Challis, L Johnston, et al.
Canadian Journal of Physiology and Pharmacology|October 1, 1984
Relation between fetal arterial PO2 and oxytocin-induced uterine contractions in pregnant sheepS J Lye, M E Wlodek, J R Challis
The Journal of Endocrinology|June 1, 1981
Diurnal changes in the concentration of progesterone in the plasma of women at 34-35 weeks of gestationJ R Challis, J V Workewych, J E Patrick
The Journal of Endocrinology|July 1, 1980
Increase in the response to adrenocorticotrophin of isolated maternal adrenal cells from sheep in late pregnancyJ A Glickman, J E Patrick, J R Challis
American Journal of Obstetrics and Gynecology|January 15, 1983
Steroid modulation of pregnenolone to progesterone conversion by human placental cells in vitroR N Grimshaw, B F Mitchell, J R Challis
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