title: Researchers say embryos in labs are not available: stem cell conundrum.
authors.forename: G
authors.initials: G
authors.lastname: Kolata
mesh_terms: D002460:Cell Line; D019924:Embryo Disposition / Q000706:statistics & numerical data*; D004622:Embryo, Mammalian / Q000166:cytology*; D005307:Fertilization in Vitro; D005328:Fetal Viability; D006801:Humans; D035845:Research Embryo Creation; D013234:Stem Cells; D014481:United States
keywords: Biomedical and Behavioral Research; Genetics and Reproduction; Popular Approach/Source