title: Age changes in skinfold thickness among upper class school children of differing ethnic backgrounds residing in Guatemala.
mesh_terms: D000293:Adolescent; D000375:Aging; D002648:Child; D002675:Child, Preschool; D005006:Ethnicity; D005060:Europe / Q000208:ethnology; D005260:Female; D006166:Guatemala; D006801:Humans; D008297:Male; D012885:Skinfold Thickness; D012923:Social Class; D014481:United States