title: [The authors reply].
authors: Tatiana Aragão
authors: TA
authors: Figueiredo
authors: Joyce Mendes de Andrade
authors: JM
authors: Schramm
authors: Vera Lúcia Edais
authors: VL
authors: Pepe
mesh_terms: D017281:Cost of Illness; D018954:Drugs, Essential / Q000592:standards*; D005569:Formularies as Topic / Q000592:standards*; D006291:Health Policy; D006801:Humans
chemical_list: D018954:Drugs, Essential