RT Journal Article SR Electronic T1 Hypovitaminosis D: A New Risk Marker for Cardiovascular Disease JF American Society for Clinical Laboratory Science JO Clin Lab Sci FD American Society of Chemistry and Laboratory Science SP 240 OP 246 DO 10.29074/ascls.22.4.240 VO 22 IS 4 A1 McConnell, Joseph P. A1 Foley, Kevin F. A1 Vargas, Gina M. YR 2009 UL http://hwmaint.clsjournal.ascls.org/content/22/4/240.abstract AB