共 6 条
[1]
CARTLEDGE G, 1972, J PHYS F MET PHYS, V3, P213
[2]
CRAIG AG, 1968, DIS NERV SYST, V29, P763
[3]
PENNELL M, 1975, WOMEN HLTH CAREERS
[4]
WESTLING.H, 1970, JOHNS HOPKINS MED J, V127, P273
[5]
1974, JAMA-J AM MED ASSOC, V228, P323
[6]
JAMA-J AM MED ASSOC, V237, P143