Παραπομπή APA

Araújo, T., Castro-Poças, F., & Pedroto, I. (2015). Endoscopic Ultrasound and Anal Pain: The Key to Diagnosis. GE Port J Gastroenterol.

Παραπομπή Chicago Style

Araújo, Tarcísio, Fernando Castro-Poças, και Isabel Pedroto. "Endoscopic Ultrasound and Anal Pain: The Key to Diagnosis." GE Port J Gastroenterol 2015.

Παραπομπή MLA

Araújo, Tarcísio, Fernando Castro-Poças, και Isabel Pedroto. "Endoscopic Ultrasound and Anal Pain: The Key to Diagnosis." GE Port J Gastroenterol 2015.

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