Letter: Isoniazid metabolism in black patients.
D044383:Black People; D006801:Humans; D007194:India / Q000208:ethnology; D007538:Isoniazid / Q000378:metabolism*; D010641:Phenotype; D013019:South Africa; D014376:Tuberculosis / Q000378:metabolism; D044465:White People
D007538:Isoniazid