1. Surgery and Surgeons in Europe;Acuff H.;The Journal of the International College of Surgeons,1948
2. Aird I.(1949) “A Companion in Surgical Studies” page608.
3. Bailey H.(1948) “Emergency Surgery” Sixth Edition page192.
4. Perforated Gastroduodenal Ulcer;Baritel A. L.;Surgery,1947