共 57 条
[1]
[Anonymous], 2014, Results from the 2012 National survey on drug use and health: mental health detailed tables
[2]
[Anonymous], 2015, Trends in Heroin Use in the United States: 2002 to 2013
[10]
MULTIVARIATE SURVIVAL ANALYSIS USING COX REGRESSION-MODEL
[J].
HEPATOLOGY,
1987, 7 (06)
:1346-1358