PT - JOURNAL ARTICLE AU - M D Turner TI - Pepsinogens and pepsins. AID - 10.1136/gut.9.2.134 DP - 1968 Apr 01 TA - Gut PG - 134--138 VI - 9 IP - 2 4099 - http://gut.bmj.com/content/9/2/134.short 4100 - http://gut.bmj.com/content/9/2/134.full SO - Gut1968 Apr 01; 9