Advanced statistical methods to study the effects of gastric tube and non-invasive ventilation on functional decline and survival in amyotrophic lateral sclerosis.
N. Atassi, M. Cudkowicz, and D. Schoenfeld. Amyotrophic lateral sclerosis : official publication of the World Federation of Neurology Research Group on Motor Neuron Diseases, 12 (4):
272-7(July 2011)Anàlisi de dades; Marginal structural models; Exemple; SAS<br/><br/>Apèndix amb macro SAS.
DOI: 10.3109/17482968.2011.577786
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