title: [Investigation on failures in reporting infectious diseases in Congqing County in 1981].
mesh_terms: D000293:Adolescent; D000328:Adult; D002681:China; D003141:Communicable Diseases / Q000453:epidemiology*; D005260:Female; D006801:Humans; D008297:Male; D008499:Medical Records; D012042:Registries; D013997:Time Factors