APA

Vanable P. A., Ostrow D. G., McKirnan D. J., Taywaditep K. J. & Hope B. A. (20000523). Impact of combination therapies on HIV risk perceptions and sexual risk among HIV-positive and HIV-negative gay and bisexual men. : Health psychology : official journal of the Division of Health Psychology, American Psychological Association.

Chicago

Vanable P A, Ostrow D G, McKirnan D J, Taywaditep K J and Hope B A. 20000523. Impact of combination therapies on HIV risk perceptions and sexual risk among HIV-positive and HIV-negative gay and bisexual men. : Health psychology : official journal of the Division of Health Psychology, American Psychological Association.

Harvard

Vanable P. A., Ostrow D. G., McKirnan D. J., Taywaditep K. J. and Hope B. A. (20000523). Impact of combination therapies on HIV risk perceptions and sexual risk among HIV-positive and HIV-negative gay and bisexual men. : Health psychology : official journal of the Division of Health Psychology, American Psychological Association.

MLA

Vanable P A, Ostrow D G, McKirnan D J, Taywaditep K J and Hope B A. Impact of combination therapies on HIV risk perceptions and sexual risk among HIV-positive and HIV-negative gay and bisexual men. : Health psychology : official journal of the Division of Health Psychology, American Psychological Association. 20000523.