Weismantel, Guy E., editor
Buku Teks
Hee-Young, Lee
PT Gramedia, 2020
Buku Teks
A Ward Lock Book, 1997
Buku Referensi
Sulaiman Yusuf
The Indonesian Journal of Gastroenterology Hepatology and Digestive Endoscopy, 2006
Artikel Jurnal
Kay, David C.
IDG Books, 2001
Buku Teks