title: Smoking during pregnancy-are low tar cigarettes safer?
mesh_terms: D000818:Animals; D001724:Birth Weight / Q000187:drug effects; D002248:Carbon Monoxide / Q000009:adverse effects; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D011247:Pregnancy; D011817:Rabbits; D012907:Smoking; D013638:Tars / Q000009:adverse effects*
chemical_list: D013638:Tars; D002248:Carbon Monoxide