Bryła M, Stegienta G, Kowalska A, Maniecka-Bryła I. Internet as a source of information in public health. Part II.The most popular Internet services related to public health information. Pol J Public Health [Internet]. 2009 Dec. 1 [cited 2025 Aug. 31];119(4):428-35. Available from: https://czasopisma.umlub.pl/pjph/article/view/2432