方法在云南省澜沧县对已确诊的HIV/AIDS进行问卷调查。

Methods The survey was carried out by a designed questionnaire among the HIV/AIDS in Lancang County, Yunnan Province.

youdao

方法在云南省澜沧县对已确诊的HIV/AIDS进行问卷调查。

Methods The survey was carried out by a designed questionnaire among the HIV/AIDS in Lancang County, Yunnan Province.

youdao