[Epidemiologic characteristics of pterygium in a rural community of Tlaxcala].
D000293:Adolescent; D000328:Adult; D000368:Aged; D005260:Female; D006801:Humans; D008297:Male; D008800:Mexico; D008875:Middle Aged; D011625:Pterygium / Q000453:epidemiology* / Q000473:pathology; D012424:Rural Population
Características epidemiológicas del pterigión en una comunidad rural de Tlaxcala.