C:\Inetpub\vhosts\jcdr.net\httpdocs\citationmgr\EasyBib.risTY - Journal T1 - A New Approach for Second-Tier Analysis of Methylmalonic Acid in Dried Blood Spots Using Liquid Chromatography Tandem Mass Spectrometry JF -jf JO - JCDR SP - SC01 LP - M3 - VL - 15 IS - 2 AU - AU - Y1 - Year UR - www.jcdr.net/back_issues.asp?issn=0973-709x&year=2021&month=February&volume=15&issue=2&page=SC01-SC05&id=14485 N2 - ER -