D L Morris, P C Hawker, P W Dykes, R N Allan, M R B Keighley
Morris D L, Hawker P C, Dykes P W, Allan R N, Keighley M R B.
Comparison of surgical and medical management of bleeding peptic ulcers
Br Med J (Clin Res Ed) 1982; 284 :974
doi:10.1136/bmj.284.6320.974-a