Pulmonary disease, chronic obstructive; Years of potential life lost; Cost of illness.

肺疾病，慢性阻塞性；潜在寿命损失年；患病代价。

youdao

Pulmonary disease, chronic obstructive; Years of potential life lost; Cost of illness.

肺疾病，慢性阻塞性；潜在寿命损失年；患病代价。

youdao