TY - RPRT TI - Normalization and missing value imputation for label-free LC-MS analysis AU - Karpievitch, Yuliya AU - Dabney, Alan R AU - Smith, Richard D PY - 2012 DO - 10.1186/1471-2105-13-s16-s5 UR - https://www.osti.gov/biblio/1074318 ID - 1074318 ER -