Background Recreational drug use (RDU) may result in sexual disinhibition and higher risk
for HIV and other sexually transmitted infections (STIs) among men who have sex with men …

Background Recent upsurge of new HIV infections among men who have sex with men
(MSM) is a major concern in China. Paucity of national-level information regarding the …

Background: In an era when HIV transmission has been on the rise among men who have
sex with men (MSM), transgender women may play a considerable role in China's current …

Background Delayed or inappropriate treatment for sexually transmitted diseases (STDs)
increases the risk of HIV acquisition and may cause other harmful outcomes. However …

Objectives Traditionally, subjects' migration status has usually been defined on the basis of
their registered residency status. We attempted to redefine migration based on the duration …

Objective To investigate the social psychology and sexual behavior of male homosexual
adolescents in Shanghai, and provide scientific evidence for advanced intervention in …

Objective Objective To explore the characteristics and determinants of natural chan-ges in
CD4+lymphocyte counts among HIV-infected patients without previous antiviral therapy in …

Objective To investigate the influence of acupuncture on Nestin expression in the cerebral
cor-tex of hypoxia-ischemic neonatal rats. Methods A total of 72 Sprague-Dawley (SD) rats …

Objective To study the reconstructive effect of the dissociate bone flap to repair the macrosis
depressed skull fracture on the frontal and orbit part. Methods The coronal scalp flap was …

Objective To describe the status of commercial sexual service in entertainment venues, to
investigate the living conditions and sexual behaviors among female entertainment workers …