The frequency of PTC non-tasters in school children at Ibadan, Western Nigeria.
D000293:Adolescent; D001741:Black or African American; D044383:Black People; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D008297:Male; D009549:Nigeria; D010670:Phenylthiourea; D013649:Taste
D010670:Phenylthiourea