Internet Accessibility and Usage among Urban Adolescents in Southern California: Implications for Web-Based Health Research.
Ping SunJennifer B. UngerPaula H. PalmerPeggy GallaherChih-Ping ChouLourdes Baezconde-GarbanatiSteve SussmanC. Anderson JohnsonPublished in: Cyberpsychology Behav. Soc. Netw. (2005)