Bryła M, Stegienta G, Maniecka-Bryła I. Internet as a source of information in public health. Part I. The origin and history of Internet. Pol J Public Health [Internet]. 2009 Sep. 1 [cited 2025 Aug. 2];119(3):318-24. Available from: https://czasopisma.umlub.pl/pjph/article/view/2405