A. P. Ryan
发表
K. W. Clarfield,
S. Jackson,
J. Keeffe,
1975
.
A. P. Ryan,
1984
.
A. P. Ryan,
P. A. Ryan,
2007
.
A. P. Ryan,
R. Ford,
P. Schluter,
1998,
Journal of epidemiology and community health.
A. P. Ryan,
P. Schluter,
P. Ford,
1998
.