A. Ross
发表
S. Sofaer,
B. Davidson,
E. Kenney,
1990,
The Gerontologist.
S. Ramsey,
A. Cheadle,
D. Conrad,
1998,
The American journal of managed care.
S. Ramsey,
D. Conrad,
T. Wickizer,
1996,
The Journal of ambulatory care management.
B Zierler,
A Cheadle,
E B Perrin,
1998,
JAMA.