TY  - BOOK
AU  - Amr Mohamed Abdelfattah Ayad
AU  - Alaa Eldin A. Maher , 
AU  - Sohair Elattar , 
AU  - Zakaria Abdellatif Salama , 
TI  - Helicobacter pylori and gastro-oesophageal peflux disease / 
PY  - 1998///
CY  - Cairo : 
PB  - Amr Mohamed Abdelfattah Ayad , 
N1  - Thesis (Ph.D.) - Cairo University - Faculty of Medicine - Department of General Surgery
UR  - http://172.23.153.220/th.pdf
ER  -