title: The biological mother lode.
authors: M D
authors: MD
authors: Lemonick
mesh_terms: D037881:Aborted Fetus; D019070:Cell Lineage; D033041:Embryo Research; D004622:Embryo, Mammalian / Q000166:cytology*; D035082:Federal Government; D033161:Government Regulation; D006801:Humans; D016377:Organ Transplantation / Q000639:trends; D018570:Risk Assessment; D013234:Stem Cells; D013673:Technology Assessment, Biomedical; D014481:United States