title: Health and the urban environment. XI. The incidence and burden of minor illness in a healthy population: methods, symptoms, and incidence.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D044383:Black People; D002648:Child; D002675:Child, Preschool; D003139:Common Cold / Q000150:complications / Q000453:epidemiology; D004777:Environment; D004812:Epidemiologic Methods; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D008875:Middle Aged; D009519:New York City; D011647:Puerto Rico; D012140:Respiratory Tract Diseases / Q000453:epidemiology*; D012220:Rhinitis / Q000150:complications / Q000453:epidemiology; D012737:Sex Factors; D012959:Socioeconomic Factors; D014505:Urban Population; D001741:Black or African American