共 22 条
[1]
BLYSKAL J, 1981, FORBES 1123, P80
[2]
BRICKER PW, 1982, 9 YEARS LONG TERM HO
[4]
Freeland M, 1980, Health Care Financ Rev, V1, P1
[7]
LEAF A, 1977, NEW ENGL J MED, V297, P887, DOI 10.1056/NEJM197710202971612
[9]
PORTNOI VA, 1979, N ENGL J MED, V300, P87