RT Journal Article SR Electronic T1 Introduction JF American Society for Clinical Laboratory Science JO Clin Lab Sci FD American Society of Chemistry and Laboratory Science SP 109 OP 110 DO 10.29074/ascls.22.2.109 VO 22 IS 2 A1 Wanda Reygaert YR 2009 UL http://hwmaint.clsjournal.ascls.org/content/22/2/109.abstract AB