title: Generic substitution: a dilemma for the allergist.
authors.forename: R F
authors.initials: RF
authors.lastname: Triplett
mesh_terms: D000486:Allergy and Immunology; D001249:Asthma / Q000188:drug therapy; D006801:Humans; D010353:Patient Education as Topic; D010817:Physician-Patient Relations; D013806:Theophylline / Q000627:therapeutic use; D013810:Therapeutic Equivalency
chemical_list: D013806:Theophylline