Παραπομπή APA

Saad, A., & Rex, D. K. (2008). Routine rectal retroflexion during colonoscopy has a low yield for neoplasia. The WJG Press and Baishideng.

Παραπομπή Chicago Style

Saad, Abdo, και Douglas Kevin Rex. Routine Rectal Retroflexion During Colonoscopy Has a Low Yield for Neoplasia. The WJG Press and Baishideng, 2008.

Παραπομπή MLA

Saad, Abdo, και Douglas Kevin Rex. Routine Rectal Retroflexion During Colonoscopy Has a Low Yield for Neoplasia. The WJG Press and Baishideng, 2008.

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.