TY - RPRT TI - Certification and Extension of the Period of Validity for Standard Reference Material® 2393 CAG Repeat Length Mutation in Huntington’s Disease AU - Kline, Margaret C. AU - Steffen, Carolyn R. AU - Duewer, David L. PY - 2020 PB - National Institute of Standards and Technology SN - NIST SP 260-203 DO - 10.6028/NIST.SP.260-203 ER -