RT Journal Article SR Electronic T1 Index to Volume 22, Numbers 1 Through 4 JF American Society for Clinical Laboratory Science JO Clin Lab Sci FD American Society of Chemistry and Laboratory Science SP 251 OP 257 DO 10.29074/ascls.22.4.251 VO 22 IS 4 YR 2009 UL http://hwmaint.clsjournal.ascls.org/content/22/4/251.abstract AB