title: The real costs of generic substitution.
authors: J C
authors: JC
authors: Ballin
mesh_terms: D011307:Drug Prescriptions; D007885:Legislation, Pharmacy; D009518:New York; D013806:Theophylline / Q000493:pharmacokinetics; D013810:Therapeutic Equivalency
chemical_list: D013806:Theophylline