H OH metabolites OH Article Rapid, Reproducible, Quantifiable NMR Metabolomics: Methanol and Methanol: Chloroform Precipitation for Removal of Macromolecules in Serum and Whole Blood Cora E. McHugh 1 , Thomas L. Flott 1 , Casey R. Schooff 1, Zyad Smiley 1, Michael A. Puskarich 2, Daniel ...