PT - JOURNAL ARTICLE AU - Jung, Roland TI - To test or not to test DP - 1999 Nov 16 TA - Canadian Medical Association Journal PG - 1237--1238 VI - 161 IP - 10 4099 - http://www.cmaj.ca/content/161/10/1237.4.short 4100 - http://www.cmaj.ca/content/161/10/1237.4.full SO - CMAJ1999 Nov 16; 161