title: Generic drug substitution revisited.
mesh_terms: D006801:Humans; D066298:In Vitro Techniques; D007880:Legislation, Drug; D004364:Pharmaceutical Preparations / Q000378:metabolism; D013219:State Government; D013810:Therapeutic Equivalency; D014481:United States; D014486:United States Food and Drug Administration
chemical_list: D004364:Pharmaceutical Preparations