S Brearley, P C Hawker, P W Dykes, M R Keighley
Brearley S, Hawker P C, Dykes P W, Keighley M R.
Importance of hypovolaemic shock and endoscopic signs in predicting recurrent haemorrhage from peptic ulceration.
Br Med J (Clin Res Ed) 1985; 291 :899
doi:10.1136/bmj.291.6499.899-b