Data were collected from the fall of 2001 to the summer of 2002. The six study districts covered areas ranging between 0.4 and 8 km 2 with a total of 18.5 km 2 and had populations ranging between ...

This study was able to locate IDUs in five of the six districts of Tehran examined. We were unable to contrast the HIV risk behaviors in areas with low drug use to those with high drug use ...