title: Letter: Tetracycline in pregnancy.
mesh_terms: D000152:Acne Vulgaris / Q000188:drug therapy; D000818:Animals; D002642:Chick Embryo; D005260:Female; D005333:Fetus / Q000187:drug effects*; D006168:Guinea Pigs; D006801:Humans; D007231:Infant, Newborn; D008431:Maternal-Fetal Exchange; D051379:Mice; D011247:Pregnancy; D051381:Rats; D013752:Tetracycline / Q000009:adverse effects* / Q000627:therapeutic use
chemical_list: D013752:Tetracycline