共 31 条
[1]
APPLEBY L, 1987, SURV EC UNC
[2]
BOMBARDIER C, 1982, CHOIC HLTH CAR DEC M
[3]
BUXTON M, 1986, 2 BRUN U DISC PAP
[4]
DONALDSON C, IN PRESS AGE AGEING
[7]
GUDEX C, 1988, 38 U YORK CTR HLTH E
[10]
KIND P, 1983, VAL LIF SAF