RT Journal Article SR Electronic T1 Unification of the NCA and the ASCP Board of Registry JF American Society for Clinical Laboratory Science JO Clin Lab Sci FD American Society of Chemistry and Laboratory Science SP 2 OP 4 DO 10.29074/ascls.23.1.2 VO 23 IS 1 A1 Morris, Susan YR 2010 UL http://hwmaint.clsjournal.ascls.org/content/23/1/2.abstract AB