суббота, 12 сентября 2009 г.

2see later

1. Aral S.O. Overview: individual and population level approaches to the epidemiology and prevention of STD//J. Infect. Dis. -1996. -Vol. 174, suppl. 2.-P. 127-133.
2. Wasserheit J.N. Which STD control strategies will have the greatest impact on the HIV epidemic?//Int. J. STD & AIDS. -2001. -Vol. 12, suppl. 2.-P. 7-10.

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