1. Perigenital hematomas-analysis of forty-seven consecutive cases;Sotto;Obstet Gynecol,1958
2. Puerperal hematomas;McElin;Am J Obstet Gynecol,1954
3. Pelvic hematomas associated with pregnancy;Pieri;Am J Obstet Gynecol,1958
4. Perinatal genital hematomas;Sheikh;Obstet Gynecol,1971
5. Puerperal hematomas;Pedowitz;Am J Obstet Gynecol,1961