title: Studies continue in methotrexate use.
mesh_terms: D000019:Abortifacient Agents; D000028:Abortion, Induced; D000569:Americas; D019049:Developed Countries; D005193:Family Planning Services; D008727:Methotrexate; D009656:North America; D004364:Pharmaceutical Preparations; D012106:Research; D013812:Therapeutics; D014481:United States
chemical_list: D000019:Abortifacient Agents; D004364:Pharmaceutical Preparations; D008727:Methotrexate
keywords: Abortifacient Agents; Abortion, Drug Induced; Abortion, Induced; Americas; Developed Countries; Drugs; Family Planning; Fertility Control, Postconception; Methotrexate; North America; Northern America; Research Activities; Research Methodology; Treatment; United States