Fig. 1From: Drug resistance evolution in patients with human immunodeficiency virus-1 under long-term antiretroviral treatment-failure in Yunnan Province, ChinaPrevalence of resistant mutations for three kinds ART drugs in long-term treatment HIV infected individuals residing in Yunnan. a-c was drawed represent NRTIs, NNRTIs and PIs, respectively. The X axis indicates the number of individuals with DR mutations. The first, second and third test results presented in the figures were marked separately in different colourBack to article page