by Agus Sudiro Waspodo ... [and others]
The Indonesian Journal of Gastroenterology Hepatology and Digestive Endoscopy, 2001
Artikel Jurnal
Smout, A.J.P.M.
Wrightson Biomedical Publishing, 1994
Buku Teks
[Fakultas Kedokteran Universitas Indonesia, Fakultas Kedokteran Universitas Indonesia], 2011
Artikel Jurnal
Pickhardt, Perry J.
Saunders elsevier, 2007
Buku Referensi
Montgomery, Elizabeth A.
Wolters Kluwer, 2012
Buku Teks