Lichtenstein, Gary R.; Peter D. Park; William B. Long; Gregory G. Ginsberg; Michael L. Kochman (18 August 1998). "Use of a Push Enteroscope Improves Ability to Perform Total Colonoscopy in Previously Unsuccessful Attempts at Colonoscopy in Adult Patients". The American Journal of Gastroenterology94 (1): 187–90. doi:10.1111/j.1572-0241.1999.00794.x. பப்மெட்:9934753.Note: single use PDF copy provided free by Blackwell Publishing for purposes of Wikipedia content enrichment.
Lichtenstein, Gary R.; Peter D. Park; William B. Long; Gregory G. Ginsberg; Michael L. Kochman (18 August 1998). "Use of a Push Enteroscope Improves Ability to Perform Total Colonoscopy in Previously Unsuccessful Attempts at Colonoscopy in Adult Patients". The American Journal of Gastroenterology94 (1): 187–90. doi:10.1111/j.1572-0241.1999.00794.x. பப்மெட்:9934753.Note: single use PDF copy provided free by Blackwell Publishing for purposes of Wikipedia content enrichment.