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De Silva, Arjuna P., Ravindu S. Kumarasena, Suramya D. Perera Keragala, Udaya Kalubowila, Madunil Niriella, Anuradha S. Dassanayake, Arunasalam Pathmeswaran, ja H Janaka de Silva. The Prone 12 O'clock Position Reduces Ileal Intubation Time During Colonoscopy Compared to the Left Lateral 6 O'clock (standard) Position. BioMed Central, 2011.

De Silva, Arjuna P., et al. The Prone 12 O'clock Position Reduces Ileal Intubation Time During Colonoscopy Compared to the Left Lateral 6 O'clock (standard) Position. BioMed Central, 2011.