Headache in the rural village of Quiroga, Ecuador.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D002648:Child; D002675:Child, Preschool; D004484:Ecuador; D005006:Ethnicity; D005260:Female; D006261:Headache / Q000453:epidemiology* / Q000523:psychology; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D008875:Middle Aged; D008881:Migraine Disorders / Q000453:epidemiology; D012424:Rural Population; D012737:Sex Factors