J. Singer

发表

J. Singer, J. Willett, 2003 .

John B. Willett, Judith D. Singer, J. Singer, 1994 .

J. Singer, J. Willett, Suzanne E. Graham, 2008 .

J. Singer, J. Willett, 2003 .

Steven R. Simon, Judith D. Singer, Richard J. Pan, 1999, The New England journal of medicine.

J. Singer, N. Marshall, R. Barnett, 1992, Journal of personality and social psychology.

J. Singer, J. Willett, 2003 .

J. Singer, J. Willett, 1990, Experimental aging research.

J. Singer, 1994, Politics and the Life Sciences.

J. Singer, H. Braun, 2019, The ANNALS of the American Academy of Political and Social Science.

John B. Willett, Judith D. Singer, Suzanne E. Graham EdD, 2012 .

Richard J. Murnane, John B. Willett, Judith D. Singer, 1988 .

J. Singer, S. Block, N. Clark-Chiarelli, 1996, JAMA.

J. Singer, J. Willett, 2004 .

J. Singer, J. Willett, 2003 .

J. Singer, D. Walker, J. Palfrey, 1989, The American journal of orthopsychiatry.

J. Singer, S. Simon, S. Block, 2003, Journal of General Internal Medicine.

J. Singer, D. Walker, M. Wenger, 1988, Exceptional children.

J. Singer, M. Wenger, J. Palfrey, 1987, Journal of developmental and behavioral pediatrics : JDBP.

J. Singer, D. Walker, J. Palfrey, 1989, Journal of developmental and behavioral pediatrics : JDBP.

J. Singer, D. Walker, J. Palfrey, 1987, The Journal of pediatrics.

J. Singer, W. Zinn, A. Sullivan, 2001, Academic medicine : journal of the Association of American Medical Colleges.

J. Singer, S. D. Block, Nancy Clark‐Chiarelli, 1998, Academic medicine : journal of the Association of American Medical Colleges.

J. Singer, J. Willett, Suzanne Graham, 2015 .

J. Singer, H. Braun, 2018, Science.

John B. Willett, Judith D. Singer, J. Singer, 1990 .

J. Singer, J. Willett, Suzanne Graham, 2009 .

J. Singer, J. Willett, 2003 .

J. Singer, 1982, Vital and health statistics. Series 11, Data from the National Health Survey.

J. Singer, J. Willett, 2003 .

N. Jewell, J. Kettenring, J. Singer, 2016 .

John B. Willett, Judith D. Singer, J. Singer, 2005 .

Judith D. Singer, J. Singer, 2019, Journal of Research on Educational Effectiveness.

J. Singer, J. Willett, 1993 .