Lower gastrointestinal bleeding due to multiple polyps in lleum
 Artikel Jurnal
Lusy Erawati
Management of upper gastrointestinal bleeding due to NSAID gastropathy that is unresponsive to ranitidine
The Indonesian Journal of Gastroenterology Hepatology and Digestive Endoscopy, 2003
 Artikel Jurnal
Primary lymphoma of the gastrointestinal tract
by Agus Sudiro Waspodo ... [and others]
The Indonesian Journal of Gastroenterology Hepatology and Digestive Endoscopy, 2001
 Artikel Jurnal
Alexander, Larry J.
Primary care of the posterior segment
McGraw-HIll, 2002
 Buku Teks
Ari Fahrial Syam
The causes of upper gastrointestinal bleeding in the national referral hospital: evaluation on upper gastrointestinal tract endoscopic result in five years period
2002
 Artikel Jurnal