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Low measles incidence: association with enforcement of school immunization laws.
Robbins, K B, Brandling-Bennett, D, Hinman, A RVolume:
71
Language:
english
Journal:
American Journal of Public Health
DOI:
10.2105/ajph.71.3.270
Date:
March, 1981
File:
PDF, 907 KB
english, 1981