"Brings a borderlands perspective to the history of China. From the eighth to thirteenth centuries along Chinas rugged southern periphery, trade in tribute articles and an interregional horse market thrived. These ties dramatically affected imperial Chinas relations with the emerging kingdoms in...

This study explored the relationship between the social organization of neighborhoods including informal social control and social cohesion and a current bacterial sexually transmitted infection (STI) among adolescents and young adults in one U.S. urban setting. Data for the current study were...