1. Endocrine changes in pregnancy;Braunstein,2008
2. Mechanism of transfer across the human placenta;Sibley,2003
3. Endocrinology of fetal development;Fisher,2008
4. Placental transport of maternal immunoglobulin G;Palfi;Am J Obstet Gynecol,1998
5. Endocrine and paracrine function of the human placenta;Siler-Khodr,2003