PT - JOURNAL ARTICLE AU - Wolfe, Rory AU - Hanley, James TI - If we're so different, why do we keep overlapping? When 1 plus 1 doesn't make 2 DP - 2002 Jan 08 TA - Canadian Medical Association Journal PG - 65--66 VI - 166 IP - 1 4099 - http://www.cmaj.ca/content/166/1/65.short 4100 - http://www.cmaj.ca/content/166/1/65.full SO - CMAJ2002 Jan 08; 166