PT - JOURNAL ARTICLE AU - Patricia Guthrie TI - Pressure mounts to expand screening of US newborns AID - 10.1503/cmaj.050712 DP - 2005 Jul 05 TA - Canadian Medical Association Journal PG - 22--22 VI - 173 IP - 1 4099 - http://www.cmaj.ca/content/173/1/22.short 4100 - http://www.cmaj.ca/content/173/1/22.full SO - CMAJ2005 Jul 05; 173