共 19 条
- [1] [Anonymous], 1970, CLASSIFICATION OCCUP
- [3] CHAMBERS DW, 1981, DIET NUTRITION DENTI, P127
- [4] COOK J, 1973, BRIT J PREV SOC MED, V27, P91
- [5] DARKE SJ, 1981, 2ND SUBC NUTR SURV R, P111
- [7] Goehring HJ., 1981, STAT METHODS ED
- [8] GOLDSTEIN H, 1979, DESIGN ANAL LONGITUD, P129
- [9] HACKETT AF, 1983, HUM NUTR-APPL NUTR, V37, P293