title: A common problem with therapy for HIV infection.
authors.forename: M
authors.initials: M
authors.lastname: Delgado Fernández
authors.forename: J L
authors.initials: JL
authors.lastname: Zambrana García
authors.forename: F
authors.initials: F
authors.lastname: Díez García
mesh_terms: D004349:Drug Packaging / Q000191:economics*; D015658:HIV Infections / Q000188:drug therapy*; D017320:HIV Protease Inhibitors / Q000191:economics* / Q000627:therapeutic use*; D006801:Humans; D013030:Spain
chemical_list: D017320:HIV Protease Inhibitors