[Hygienic monitoring system in China].
Kan
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D002681:China; D003140:Communicable Disease Control / Q000331:legislation & jurisprudence*; D004784:Environmental Monitoring / Q000331:legislation & jurisprudence*; D005506:Food Contamination / Q000032:analysis / Q000331:legislation & jurisprudence; D006801:Humans; D006920:Hygiene; D011634:Public Health / Q000639:trends*