Health literacy levels and their sociodemographic, family, and health predictors among primary health care patients in urban and rural areas: a cross-sectional study - Niedorys-Karczmarczyk, Barbara; Nowicki, Grzegorz Józef; Chrzan-Rodak, Agnieszka; Nowak-Starz, Grażyna; Ślusarska, Barbara Janina (Medical Studies/Studia Medyczne, 2024)