title: Publication trends for alcohol, tobacco, and narcotics in MEDLARS.
mesh_terms: D000431:Ethanol / Q000009:adverse effects*; D005260:Female; D006801:Humans; D008523:MEDLARS; D009294:Narcotics / Q000009:adverse effects*; D010947:Plants, Toxic; D011247:Pregnancy; D011248:Pregnancy Complications / Q000139:chemically induced*; D014026:Nicotiana; D014481:United States
chemical_list: D009294:Narcotics; D000431:Ethanol