title: Why weak correlation between blood lead and erythrocyte ALA-D activity?
mesh_terms: D004912:Erythrocytes / Q000378:metabolism*; D006801:Humans; D007854:Lead / Q000097:blood*; D000623:Porphobilinogen Synthase / Q000097:blood*
chemical_list: D007854:Lead; D000623:Porphobilinogen Synthase