The evolution of a research program.
D000818:Animals; D004622:Embryo, Mammalian; D004625:Embryo, Nonmammalian; D005260:Female; D006801:Humans; D006828:Hydatidiform Mole; D008971:Moles; D009774:Obstetrics; D011247:Pregnancy; D014594:Uterine Neoplasms
EMBRYO; HYDATIFORM MOLE; OBSTETRICS