HIV-infected youths transitioning from pediatric to adult outpatient care in a teaching tertiary care hospital in Sao Paulo city, Brazil - Freitas, Angela Carvalho; Silva, Vivian Helena Iida Avelino da; Gutierrez, Eliana Battaggia; Marques, Heloisa Helena de Souza; Durigon, Giuliana Stravinskas; Segurado, Aluisio Augusto Cotrim (Brazilian journal of infectious diseases, 2019)