title: Program for the twentieth annual meeting of the Society for the Study of Reproduction, including a symposium on fetal-maternal relationships. Urbana, Illinois, July 20-23, 1987. Abstracts.
mesh_terms: D000818:Animals; D005260:Female; D006801:Humans; D008297:Male; D008431:Maternal-Fetal Exchange; D011247:Pregnancy; D012098:Reproduction