Methods:The dust content in the reclaimed liquid with which bronchus-alveolus were lavaged were mensurated after being separated in 83 patients with the collier pneumoconisis 0 +.

• 方法 :选择 83例煤工尘肺 0 + 患者 ,对支气管肺泡灌洗回收液中粉尘进行分离 ,测定含量。