Bradley, Dinah, author
Kyle Cathie Limited, 1991
Buku Referensi
Medical Journal of Indonesia, 12 (2) April June 2003:109-113, 2003
Artikel Jurnal
Muhammad Syafiq, author
The Indonesian Journal of Gastroenterology Hepatology and Digestive Endoscopy, 2003
Artikel Jurnal
1993
Multimedia
Howlin, Patricia, author
John Wiley & Sons, 1998
Buku Teks