TY - GEN AU - Barber, Charles A AU - Phillips, Melissa M AU - Rimmer, Catherine A AU - Wood, Laura J AU - Christopher, Steven J C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 2018-10-01 04:10:00 DO - https://doi.org/10.6028/NIST.IR.8230r1 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 2018 TI - Dietary supplement laboratory quality assurance program: exercise N final report: ER -