Both improvement and worsening of adherence to antiretroviral treatment can be expected while transitioning HIV-positive adolescents to adult health care. - Kowalska, Justyna D.; Popielska, Jolanta; Wroblewska, Agnieszka; Firląg-Burkacka, Ewa; Horban, Andrzej; Marczyńska, Magdalena (Infectious Diseases, 2019)