PT - JOURNAL ARTICLE AU - M. Korcok TI - US cash registers humming as Canadian patients flock south DP - 1991 Mar 15 TA - Canadian Medical Association Journal PG - 745--747 VI - 144 IP - 6 4099 - http://www.cmaj.ca/content/144/6/745.short 4100 - http://www.cmaj.ca/content/144/6/745.full SO - CMAJ1991 Mar 15; 144