title: Editorial: Fetal research.
mesh_terms: D000649:Amniocentesis; D001787:Blood Group Incompatibility / Q000175:diagnosis / Q000628:therapy; D001805:Blood Transfusion, Intrauterine; D004992:Ethics, Medical; D005260:Female; D005333:Fetus; D006805:Human Experimentation; D006801:Humans; D006819:Hyaline Membrane Disease / Q000517:prevention & control; D007226:Infant Mortality; D007231:Infant, Newborn; D007883:Legislation, Medical; D011247:Pregnancy; D011263:Pregnancy Trimester, Third; D012106:Research; D012204:Rh-Hr Blood-Group System; D012577:Schools, Medical; D012955:Societies, Medical; D014481:United States
chemical_list: D012204:Rh-Hr Blood-Group System