共 8 条
[1]
*JAPAN DIV HLTH WE, 1954, VIT STAT 1952, V1
[2]
SMITH RL, 1956, J NATL CANCER I, V17, P459
[3]
*US BUR CENS, 1954, VIT STAT US 1951, V1
[4]
*US BUR CENS, 1951, VIT STAT US 1949 1
[5]
*US BUR CENS, 1953, CENS POP 1950, V4, pCHB
[6]
*US BUR CENS, 1953, VIT STAT SPEC REP, V37
[7]
*US BUR CENS, 1954, VIT STAT US 1950, V1
[8]
*WHO, 1954, ANN EP VIT STAT 1951