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cough and asthma diagnosis : physicians ’ diagnosis and treatment of patients complaining of acute , subacute and chronic cough in rural areas of Japan

E. Shimizu, A. Yamasaki, K. Tomita, 2010 .

Environmental tobacco smoke and its effect on the symptoms and medication in children with asthma

E. Shimizu, T. Igishi, A. Yamasaki, 2009, International journal of environmental health research.