共 8 条
[1]
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[2]
Weisbrod B, 1961, EC PUBLIC HLTH MEASU, V2nd
[4]
1975, HLTH EC, P44
[5]
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[6]
1977, MORBIDITY MORTALITY, V26, P291
[7]
1977, MORBIDITY MORTALITY, V26, P327
[8]
1977, MORBIDITY MORTALITY, V26, P307