TY - JOUR T1 - Fecal chymotrypsin and trypsin determinations JF - Canadian Medical Association Journal JO - CMAJ SP - 691 LP - 694 VL - 104 IS - 8 AU - J. S. Smith AU - I. Ediss AU - M. A. Mullinger AU - A. Bogoch Y1 - 1971/04/17 UR - http://www.cmaj.ca/content/104/8/691.abstract ER -