Lead, ferritin, zinc, and hypertension.
D001741:Black or African American; D044383:Black People; D001794:Blood Pressure / Q000187:drug effects; D005293:Ferritins / Q000378:metabolism*; D006801:Humans; D006973:Hypertension / Q000097:blood* / Q000139:chemically induced; D007854:Lead / Q000097:blood*; D007855:Lead Poisoning / Q000097:blood*; D008906:Mining; D013019:South Africa; D044465:White People; D015032:Zinc / Q000097:blood*
D007854:Lead; D005293:Ferritins; D015032:Zinc