edited by Guy E. Weismantel
McGraw-Hill, 1981
Buku Referensi
Weismantel, Guy E.
Buku Teks
Hee-Young, Lee, author
PT Gramedia, 2020
Buku Teks
A Ward Lock Book, 1997
Buku Referensi
Sulaiman Yusuf, author
The Indonesian Journal of Gastroenterology Hepatology and Digestive Endoscopy, 2006
Artikel Jurnal