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