Effects of air pollution on school absences and differences in lung function in first and second graders in Berlin, New Hampshire, January 1966 to June 1967.
D000041:Absenteeism; D000397:Air Pollution; D000704:Analysis of Variance; D002648:Child; D003710:Demography; D003967:Diarrhea / Q000453:epidemiology; D004781:Environmental Exposure; D005260:Female; D006801:Humans; D008297:Male; D009513:New Hampshire; D012119:Respiration; D012140:Respiratory Tract Diseases / Q000453:epidemiology; D012572:School Health Services; D012737:Sex Factors; D012923:Social Class; D013147:Spirometry; D013997:Time Factors; D014797:Vital Capacity