Richard Youngstrom

发表

K. Emmons, G. Sorensen, D. Johnston, 1997, Journal of public health policy.

G. Sorensen, E. Barbeau, D. Mclellan, 2001, New solutions : a journal of environmental and occupational health policy : NS.

J. Himmelstein, J. Ockene, A. Stoddard, 1995, American journal of health promotion : AJHP.