共 8 条
[1]
CAMPS FE, 1968, GRADWOHLS LEGAL MED
[3]
KNAPMAN P, 1972, J R SOC MED, V72, P805
[5]
SHAPIRO ED, 1972, NEW YORK STATE J MED, V72, P805
[6]
TOLSON GC, 1991, VITAL HLTH STAT, V4, P22
[7]
*WHO, 1949, B WHO S1, V1, P1
[8]
1954, VITAL STAT US 1950, V1, P2