Here is the CMT Uptime check phrase
PUBLICATIONS

Are Risk and Protective Factors for Substance Use Consistent across Historical Time? National Data from the High School Classes of 1976 through 1997

Schulenberg, John E; Bachman, Jerald G; O’Malley, Patrick M; Johnston, Lloyd D; Brown, Tony N. (2001). Are Risk and Protective Factors for Substance Use Consistent across Historical Time? National Data from the High School Classes of 1976 through 1997. Prevention Science. 2(1), 29-44.