Blood lead and the symptoms of lead absorption.
D000367:Age Factors; D004912:Erythrocytes / Q000378:metabolism; D006801:Humans; D007854:Lead / Q000097:blood*; D007855:Lead Poisoning / Q000097:blood; D008297:Male; D009787:Occupational Medicine; D011524:Protoporphyrins / Q000097:blood; D012907:Smoking
D011524:Protoporphyrins; D007854:Lead