1. Urinary oestrogen and plasma human placental lactogen as initial screening tests for a placental sulphatase deficiency;Beastall;Scottish Medical Journal,1976
2. Humanes plazentares laktogen (HPL) im serum und seine diagnostiche Bedieutung bei intrauteriner Wachstumsretardierung;Bellmann;Zeitschrift für Geburtshilfe und Perinatologie,1973
3. A reevaluation of the value of HCS determination in the management of prolonged pregnancy;Berkowitz;Obstetrics and Gynecology,1977
4. Prenatal diagnosis of placental steroid sulfatase deficiency;Braunstein;American Journal of Obstetrics and Gynecology,1976
5. Prognostic value of plasma oestradiol-170 and human placental lactogen in high-risk pregnancies;Chew;Australian and New Zealand Journal of Obstetrics and Gynaecology,1977