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The value of database controls in pilot or futility studies in ALS
Czaplinski, A., Haverkamp, L. J., Yen, A. A., Simpson, E. P., Lai, E. C., Appel, S. H.Volume:
67
Language:
english
Journal:
Neurology
DOI:
10.1212/01.wnl.0000244415.48221.81
Date:
November, 2006
File:
PDF, 288 KB
english, 2006