title: IS NATURAL SELECTION MAINTAINING THE "PTC POLYMORPHIC SYSTEM" IN THE POPULATION THROUGH SUSCEPTIBILITY TO DISEASE CONDITIONS?
mesh_terms: D000293:Adolescent; D001699:Biometry; D002648:Child; D004194:Disease; D004198:Disease Susceptibility; D005164:Factor IX; D005826:Genetics, Medical; D005853:Geriatrics; D008283:Maintenance; D010679:Philippines; D012641:Selection, Genetic; D013223:Statistics as Topic; D013890:Thiourea
chemical_list: D005164:Factor IX; D013890:Thiourea
keywords: ADOLESCENCE; CHILD; DISEASE; GENETICS, HUMAN; GERIATRICS; PHILIPPINES; STATISTICS; THIOUREA