PT - JOURNAL ARTICLE ED - , TI - PKU screening-is it worth it? DP - 1973 Feb 03 TA - Canadian Medical Association Journal PG - 328--329 VI - 108 IP - 3 4099 - http://www.cmaj.ca/content/108/3/328.short 4100 - http://www.cmaj.ca/content/108/3/328.full SO - CMAJ1973 Feb 03; 108