Lung resection patient experience survey two expectoration method .

肺切除术后两种排痰法病人感受调查。

Thyrocricocentesis enforce the patients ability of expectoration after thoraco tomy .

环甲膜穿刺提高开胸术后患者排痰能力。

Coughing and expectoration instructions for a patient with respiratory failure .

呼吸衰竭病人咳嗽排痰指导。

The empty space coughing coughs with nothing expectoration .

咳嗽空咳无痰.

Get out of bed cough with several expectoration , good in the morning in every day many years .

天天早上起床后咳几口痰，好多年了。