Artikel Jurnal
Irman Firmansyah
The Indonesian Journal of Gastroenterology Hepatology and Digestive Endoscopy Vol. 4 (1) April 2003 : 22-25, 2003
Artikel Jurnal
Simanjuntak, Loli Jendrianita, examiner
The Indonesia Journal of Gastroenterology Hepatology and Digestive Endoscopy, 2004
Artikel Jurnal
Sirait, K.T.
Fakultas Teknik Universitas Indonesia, 1998
UI - Laporan Penelitian
Carrel, Alexis
Penguin Books, 1967
Buku Teks