共 18 条
[1]
BUTLER AM, 1968, NEW ENGL J MED, V278, P48
[4]
HAYNES RB, 1987, ANN INTERN MED, V106, P598
[8]
NARINE L, 1991, CAN MED ASSOC J, V144, P449
[9]
NAYLOR CD, 1991, J CLIN EPIDEMIOL, V44, P731
[10]
NAYLOR CD, 1991, J CLIN EPIDEMIOL, V44, P741