共 31 条
[2]
CHOW AW, 1975, WESTERN J MED, V122, P167
[3]
CHRISTENSEN E, 1975, ACTA MED SCAND, V197, P235
[7]
ETHEREDGE EE, 1975, JAMA-J AM MED ASSOC, V234, P78
[8]
FORD PM, 1968, Q J MED, V37, P281