775例40岁及以上中老年人HIV抗体阳性样本特征分析

覃雄林,李晓华,覃春伟

Epidemic characteristics of 775 blood samples of HIV-positive people aged 40 and above

QIN Xiong-lin, LI Xiao-hua, QIN Chun-wei

中国热带医学 . 2014, (6): 667 -669 .