Reed, BD; Crawford, S; Couper, M; Cave, C (2004). "Pain at the vulvar vestibule: a web-based survey". Journal of Lower Genital Tract Disease. 8 (1): 48–57. doi:10.1097/00128360-200401000-00011. PMID15874837.
nih.gov
pubmed.ncbi.nlm.nih.gov
Reed, BD; Crawford, S; Couper, M; Cave, C (2004). "Pain at the vulvar vestibule: a web-based survey". Journal of Lower Genital Tract Disease. 8 (1): 48–57. doi:10.1097/00128360-200401000-00011. PMID15874837.