Peer standing and substance use in early-adolescent grade-level networks: a short-term longitudinal study
Prevention Science (2007) - Comment
pubmed: 17013672  doi: 10.1007/s11121-006-0053-2  issn: 1389-4986  issn: 1573-6695 

Ley A. Killeya-Jones, Ryo Nakajima, Philip R. Costanzo