title: Absence of embryotoxic effects in rats with three quaternary ammonium compounds (cationic surfactants).
mesh_terms: D000818:Animals; D004622:Embryo, Mammalian / Q000187:drug effects*; D005260:Female; D008431:Maternal-Fetal Exchange; D011247:Pregnancy; D000644:Quaternary Ammonium Compounds / Q000008:administration & dosage / Q000633:toxicity*; D051381:Rats; D011919:Rats, Inbred Strains; D012869:Skin Absorption; D013501:Surface-Active Agents / Q000008:administration & dosage / Q000633:toxicity*
chemical_list: D000644:Quaternary Ammonium Compounds; D013501:Surface-Active Agents