Frequency of osteopenia and osteoporosis in men and women living with HIV/Aids: an observational study - Aguilar, Bruno Augusto; Santos, André Pereira dos; Machado, Dalmo Roberto Lopes; Gomide, Euripedes Barsanulfo Gonçalves; Sebastião, Emerson; Navarro, Anderson Marliere (Medicina (Ribeirão Preto), 2021)