Accuracy Of Early Endoscopy In Acute Upper Gastrointestinal Bleeding

Autor: Zambartas, C., Cregeen, R. J., Forrest, J. A. H., Finlayson, N. D. C.
Zdroj: British Medical Journal (Clinical Research Edition), 1982 Nov . 285(6354), 1540-1540.
Databáze: JSTOR Journals