authors Rippon, Gregory A Scarmeas, Nikolaos Gordon, Paul H Murphy, Peregrine L Albert, Steven M Mitsumoto, Hiroshi Marder, Karen Rowland, Lewis P Yaakov Stern, PhD
has subject area Amyotrophic Lateral Sclerosis Case-Control Studies Chi-Square Distribution Cognition Disorders Cohort Studies Demography Female Humans Male Middle Aged Neuropsychological Tests Observation Proportional Hazards Models Retrospective Studies Severity of Illness Index Survival Analysis