共 13 条
[1]
[Anonymous], 1970, CLASSIFICATION OCCUP
[2]
COOK J, 1973, BRIT J PREV SOC MED, V27, P91
[3]
COOK J, IN PRESS
[4]
CORRYMANN HC, 1926, 105 SER MED RES COUN
[5]
Leighton G, 1929, LANCET, V1, P40
[6]
TOPP SG, 1972, BRIT J PREV SOC MED, V26, P106
[7]
1973, HOUSEHOLD FOOD CONSU
[8]
1970, SCH MEALS MILK AUTUM
[9]
1971, 1368 STAT INSTRUM
[10]
1969, 120 HLTH MED SUBJ LO