M. . Bryła, G. . Stegienta, A. . Kowalska, and . I. Maniecka-Bryła, “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, vol. 119, no. 4, pp. 428–435, Dec. 2009, Accessed: Aug. 31, 2025. [Online]. Available: https://czasopisma.umlub.pl/pjph/article/view/2432