PT - JOURNAL ARTICLE AU - Foley, Kevin F. TI - Introduction AID - 10.29074/ascls.22.4.223 DP - 2009 Oct 01 TA - American Society for Clinical Laboratory Science PG - 223--225 VI - 22 IP - 4 4099 - http://hwmaint.clsjournal.ascls.org/content/22/4/223.short 4100 - http://hwmaint.clsjournal.ascls.org/content/22/4/223.full SO - Clin Lab Sci2009 Oct 01; 22