1 .中华医学会呼吸病学分会哮喘学组.咳嗽的诊断与治疗指南.中华结核和呼吸杂志, 2009 , 32 : 407-413 .Coughing frequency in patients with persistent cough : assessment using a 24h ambulatory recorder .Nocturnal cough in patients with chronic bronchitis and emphysema .Sundar KM , Daly SE , Willi ......