title: ALS issues in clinical trials. Missing data.
authors.affiliation: Statistical Analysis Center (SAC), Department of Biostatistics, Mailman School of Public Health, Columbia University, New York, NY, USA. jlt12@columbia.edu
authors.forename: John L P
authors.initials: JL
authors.lastname: Thompson
authors.forename: Gilberto
authors.initials: G
authors.lastname: Levy
mesh_terms: D000690:Amyotrophic Lateral Sclerosis / Q000188:drug therapy; D003627:Data Interpretation, Statistical; D006801:Humans; D016032:Randomized Controlled Trials as Topic / Q000379:methods / Q000706:statistics & numerical data*; D012107:Research Design / Q000706:statistics & numerical data*