Artículo de investigación
Safety of the Influenza A (H1N1)2009 Vaccine in Chronic Obstructive Pulmonary Disease: A Matched Case-Control Study
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Hiroshi Yokomichi, Shintaro Kurihara, Tetsuji Yokoyama, Eisuke Inoue, Keiko Tanaka-Taya, Shigeru Kono and Zentaro Yamagata