Racial differences and the role of neighborhood in the sequencing of marijuana and tobacco initiation among urban youth.
Green KM, Johnson RM, Milam AJ, Furr-Holden D, Ialongo NS, Reboussin BA. Racial differences and the role of neighborhood in the sequencing of marijuana and tobacco initiation among urban youth. Subst Abus. 2016 Oct-Dec; 37(4):507-510.