1. Does episiotomy prevent perineal trauma and pelvic floor relaxation?;Klein;Online J Curr Clin Trials [serial online],1992
2. Relation of episiotomy to perineal trauma and morbidity, sexual dysfunction, and pelvic floor relaxation;Klein;Am J Obstet Gynecol,1994
3. Physician's beliefs and behaviour during a randomized controlled trial of episiotomy: consequences for women in their care;Klein;Can Med Assoc J,1995
4. Effect of episiotomy on the frequency of vaginal outlet lacerations;Gass;J Reprod Med,1986
5. Midline episiotomies: more harm than good?;Shiono;Obstet Gynecol,1990