PAIRUP-MS: Pathway analysis and imputation to relate unknowns in profiles from mass spectrometry-based metabolite data. - Yuan-Hao Hsu; Claire Churchhouse; Tune H. Pers; Josep M. Mercader; Andres Metspalu; Krista Fischer; Kristen Fortney; Eric K. Morgen; Clicerio Gonzalez; Maria E. Gonzalez; Tõnu Esko; Joel Hirschhorn (PLoS Comput. Biol., 2019)