title: PTC taste threshold distributions and age in Mennonite populations.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000375:Aging; D005006:Ethnicity; D005164:Factor IX / Q000494:pharmacology; D005260:Female; D006801:Humans; D007615:Kansas; D008297:Male; D008875:Middle Aged; D009329:Nebraska; D012067:Religion; D013649:Taste / Q000187:drug effects; D013652:Taste Threshold / Q000187:drug effects
chemical_list: D005164:Factor IX