Human trophoblast: normal and abnormal. A plea for the study of the normal so as to understand the abnormal. Ward Burdick Award Address.
D000022:Abortion, Spontaneous / Q000209:etiology; D010064:Embryo Implantation; D005321:Extraembryonic Membranes / Q000033:anatomy & histology* / Q000473:pathology*; D005260:Female; D006801:Humans; D011247:Pregnancy; D014327:Trophoblasts / Q000033:anatomy & histology / Q000473:pathology