TY - JOUR T1 - Sniffing out the diagnosis JF - Canadian Medical Association Journal JO - CMAJ SP - 729 LP - 729 VL - 135 IS - 7 AU - J. M. Stone AU - A. S. Valentine Y1 - 1986/10/01 UR - http://www.cmaj.ca/content/135/7/729.abstract ER -