1. Spontaneous opening of congenital imperforate hymen;Kahn;J Pediatr,1975
2. Hematocolpos with imperforate hymen;Bejanga;Int Surg,1979
3. Martin P. Ambulatory Gynecologic Surgery. Littleton, MA, 1979.
4. Hematocolpos som akutt abdominal lidelse;Moe;T Norske Laegeforeining,1964
5. Imperforate hymen with and without hematocolpos;Doyle;Calif West Med,1974