1. Sketches from The Lancet: clitoridectomy;Kandela;Lancet,1999
2. Benefits and risks of episiotomy: an interpretive review of the English language, 1860–1980;Thacker;Obstet Gynecol Surv,1983
3. Appropriate technology for birth;Lancet,1985
4. Does episiotomy prevent perineal trauma and pelvic floor relaxation?;Klein;Curr Clin Trials,1992
5. Pursuing the birth machine: the search for appropriate birth technology;Wagner,1994