共 9 条
- [2] GAMBLE DP, 1955, ECONOMIC CONDITIONS
- [3] GORDON JE, 1968, WHO57 MON, P216
- [4] GORDON JE, 1976, WHO62 MON, P203
- [5] GORDON JE, 1963, AM J MEDICAL SCI, V243, P382
- [6] Haswell M., 1975, NATURE POVERTY CASE
- [7] HASWELL MR, 1953, 8 COL RES STUD
- [8] HASWELL MR, 1975, AGRICULTURAL ADMINIS, V3, P1
- [9] 1975, BRIT MEDICAL J, V3, P555