title: Smoke screens.
mesh_terms: D001944:Breath Tests; D002248:Carbon Monoxide / Q000032:analysis*; D005260:Female; D006801:Humans; D008403:Mass Screening / Q000379:methods*; D011247:Pregnancy; D011248:Pregnancy Complications / Q000517:prevention & control*; D011295:Prenatal Care / Q000379:methods*; D000074606:Smoking Prevention; D014342:Truth Disclosure; D006113:United Kingdom
chemical_list: D002248:Carbon Monoxide