PT - JOURNAL ARTICLE AU - C NICOLETTI TI - Unsolved mysteries of intestinal M cells AID - 10.1136/gut.47.5.735 DP - 2000 Nov 01 TA - Gut PG - 735--739 VI - 47 IP - 5 4099 - http://gut.bmj.com/content/47/5/735.short 4100 - http://gut.bmj.com/content/47/5/735.full SO - Gut2000 Nov 01; 47