Meuwly, Marion, Diane Auderset, Joan-Carles Surís, and Yara Barrense-Dias. “Losing Your Virginity Safely? A Swiss National Survey”. Swiss Medical Weekly 151, no. 1718 (May 6, 2021): w20509. Accessed October 3, 2024. https://smw.ch/index.php/smw/article/view/2994.