Detection of unreported usage of the antiretroviral drug lamivudine in two blood donors - Nishiya, Anna Shoko; Salles, Nanci; Almeida Neto, César de; Ferreira, Suzete Cleuza; Nogueira, Fatima; Rocha, Vanderson Geraldo; Mendrone Júnior, Alfredo (TRANSFUSION, 2023)