TY - VIDEO AU - Johanna Camara AU - Andrew Hoofnagle AU - Graham Carter AU - Christopher Sempos C2 - Clinical Laboratory News DA - 2015-02-01 LA - en M1 - 41 PB - Clinical Laboratory News PY - 2015 TI - Take Two: Gearing Up for the Next Vitamin D Commutability Study UR - https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=917611 ER -