TY - RPRT TI - A parallel processing solid phase extraction protocol for the determination of whole blood folate. AU - Yumei Lin AU - Stephen R Dueker AU - A Daniel Jones AU - Andrew J Clifford PY - 2002 DO - 10.1006/abio.2001.5477 UR - https://pubmed.ncbi.nlm.nih.gov/11811962/ ID - 11811962 ER -