Fig. 1From: Contribution of the classical polymerase chain reaction in the diagnosis of a HIV-1 infected patient in Benin: a case reportAgarose gel showing migration of amplified genes. a Gag and protease genes. b Reverse transcriptase gene NC1 mix 1 negative control, NC2 mix 2 negative control, PC1 positive control 1, PC2 positive control 2, NC negative control extracted at the same time as the samples, RT reverse transcriptaseBack to article page