J. V. Van Leeuwen
发表
C. Gilroy,
C. Hopfer,
S. Boyle,
2008,
The American journal on addictions.
J. V. Van Leeuwen,
Wendi K. Schweiger,
Sara Adkins,
2016
.
C. Hopfer,
R. White,
J. V. Van Leeuwen,
2004,
Journal of Community Health.
Allison K. Hoffman,
C. Hopfer,
S. Boyle,
2006,
Child welfare.
C. Rietmeijer,
J. V. Van Leeuwen,
T. Leroux,
2002,
Sexually transmitted infections.
C. Hopfer,
Christian J. Hopfer,
S. Kelly,
2006,
The American journal on addictions.
Megan McGuire,
J. V. Van Leeuwen,
Carrie Merscham,
2009,
Child welfare.
C. Gilroy,
S. Boyle,
Christian J. Hopfer,
2008,
The American journal on addictions.
N. E. Walls,
J. V. Van Leeuwen,
J. V. Leeuwen,
2009
.