Birge, Edward A.
Springer, 2006
Buku Teks
editor, M. Goodfellow, A.G. O`Donnel
Academic Press, 1993
Buku Referensi
Artikel Jurnal
Rika Bur, author
2002
Artikel Jurnal
Abimanyu, author
The Indonesian Journal of Gastroenterology Hepatology and Digestive Endoscopy, 2003
Artikel Jurnal