R. Douglas
发表
G. Hill,
R. Douglas,
R. Douglas,
1993,
World journal of surgery.
M. Charlson,
R. Douglas,
R. L. Braham,
1986,
The American journal of medicine.
C. Mackenzie,
M. Charlson,
S. Fields,
1986,
JAMA.
R. Douglas,
R. Kim,
2012
.
C. Mackenzie,
M. Charlson,
S. Fields,
1987,
Journal of chronic diseases.
C. Mackenzie,
M. Charlson,
S. Fields,
1986,
Journal of chronic diseases.
M. Charlson,
P. Pompei,
R. Douglas,
1988,
Journal of clinical epidemiology.
W. Trick,
S. Solomon,
R. Weinstein,
2003,
Clinical infectious diseases : an official publication of the Infectious Diseases Society of America.
C. Mackenzie,
M. Charlson,
S. Fields,
1986
.
Braham,
C. Mackenzie,
Suzanne,
1987
.