Figure 1
From: Human immunodeficiency virus type-1 episomal cDNA in semen
Agarose gel electrophoresis of HIV-1 2-LTR cDNA amplified from human semen. The arrow indicates the 2-LTR cDNA bands. Lanes 5 and 11 are positive controls. Lane M is a DNA ladder. Lanes 4, 8, 10, 12, 13 are positive semen samples.