1. Methods: Four hundred μ g N-CWS was injected into thoracic cavity with intractable pneumothorax for each of 38 patients, then change their posture so that it could be distributed evenly on the surface of their pleuras and give play to its effect.
    方法38例难治性气胸患者，胞必佳400μg进行胸腔内注射，变换体位，使药液均匀地涂在胸膜表面以发挥粘连作用。