Sonya S. Brady, PhD and Bonnie L. Halpern-Felsher, PhD (2007). "Adolescents' Reported Consequences of Having Oral Sex Versus Vaginal Sex". Pediatrics119 (2). pp. 229–236. PMID17272611. doi:10.1542/peds.2006-1727.
nhs.uk
NHS, ed. (15 de xaneiro de 2009). "What is oral sex?". Arquivado dende o orixinal o 20 de setembro de 2010. Consultado o 26 de decembro de 2015.
nih.gov
ncbi.nlm.nih.gov
Sonya S. Brady, PhD and Bonnie L. Halpern-Felsher, PhD (2007). "Adolescents' Reported Consequences of Having Oral Sex Versus Vaginal Sex". Pediatrics119 (2). pp. 229–236. PMID17272611. doi:10.1542/peds.2006-1727.