More on the relevance of the concentration of lead in plasma vs. that in blood.
D000740:Anemia / Q000097:blood; D004912:Erythrocytes / Q000032:analysis*; D006801:Humans; D007854:Lead / Q000097:blood*; D007855:Lead Poisoning / Q000097:blood* / Q000175:diagnosis; D010949:Plasma / Q000032:analysis
D007854:Lead