1. An analysis of the utility of plasma immunoreactive estrogen measurements in determining delivery time of gravidas with a fetus considered at high risk;Duenhoelter;American Journal of Obstetrics and Gynecology,1976
2. Grudzinskas JG To assess the effects of biochemical placental function testing Personal Communication 1990
3. Is serum free estriol measurement essential in the management of hypertensive disorders during pregnancy?;Sharf;European Journal of Obstetrics & Gynecology and Reproductive Biology,1984
4. The effectiveness of human placental lactogen measurements as an adjunct in decreasing perinatal deaths. Results of a retrospective and randomized controlled prospective study;Spellacy;American Journal of Obstetrics and Gynecology,1975
5. Biochemical assessment of fetal well-being;Alexander,1989