Łepecka-Klusek C, Bałanda-Bałdyga A, Stadnicka G, Marczak E. Early sexual initiation in a group of juvenile mothers. Pol J Public Health [Internet]. 2012 Apr. 1 [cited 2025 Jun. 7];122(2):181-4. Available from: https://czasopisma.umlub.pl/pjph/article/view/1744