1. Variations in rates of severe perineal tears and episiotomies in 20 European countries: a study based on routine national data in Euro-Peristat Project;Blondel;Acta Obstet Gynecol Scand,2016
2. Third- and fourth-degree perineal tears, management (Green-top guideline No. 29) [Internet],2015
3. Atienza P. [Sphincterial consequences of delivery.](Guidelines by the French College Of Obstetricians and Gynecologists)[Internet], 1999. Available on:http://www.cngof.fr/journees-nationales/anciennes-journees/maj-en-go/maj-1999/apercu?path=1999_GO_097_atienza.pdf&i=595Conséquences sphinctériennes anales de l'accouchement. Available on: https://docplayer.fr/1425077-Consequences-sphincteriennes-anales-de-l-accouchement.html.
4. [Evaluating a policy of restrictive episiotomy before and after practice guidelines by the French College of Obstetricians and Gynecologists];Eckman;J Gynecol Obstet Biol Reprod (Paris). févr,2010
5. [Liberal versus restrictive practice of episiotomy: do there exist specific obstetrical indications for episiotomy?];Riethmuller;J Gynecol Obstet Biol Reprod (Paris). févr,2006