Leads from the MMWR. Investigation of a cluster of appendicitis cases--Texas.
D000041:Absenteeism; D000293:Adolescent; D001064:Appendicitis / Q000453:epidemiology* / Q000209:etiology; D004812:Epidemiologic Methods; D005260:Female; D006801:Humans; D008297:Male; D013029:Space-Time Clustering; D013781:Texas