PT - JOURNAL ARTICLE AU - Bock, O. A. A. AU - Arapakis, G. AU - Witts, L. J. AU - Richards, W. C. D. TI - The serum pepsinogen level with special reference to the histology of the gastric mucosa AID - 10.1136/gut.4.2.106 DP - 1963 Jun 01 TA - Gut PG - 106--111 VI - 4 IP - 2 4099 - http://gut.bmj.com/content/4/2/106.short 4100 - http://gut.bmj.com/content/4/2/106.full SO - Gut1963 Jun 01; 4 AB -