1. Drug therapy: omeprazole;Maton, P.N.;N Engl Med,1991
2. The clinical safety of omeprazole. Scandj Gastroenterol;Solvell, L.,1989
3. Effect of daily oral omeprazole on 24 hour intragastric acidity;Walt, R.P.; MdeFA, Gomes; Wood, E.C.; Logan, L.H.; Pounder, R.E.;BMJ,1983
4. Potent acid reduction and risk of enteric infection;Littman, A.;Lancet,1990
5. The clinical importance of achlorhvdria;Hurst, A.F.;BMJ,1934