title: Correlation between biochemical indicators of lead exposure and semen quality in a lead-poisoned firearms instructor.
mesh_terms: D005178:Faculty; D005389:Firearms; D006801:Humans; D007248:Infertility, Male / Q000097:blood / Q000139:chemically induced*; D007854:Lead / Q000097:blood; D007855:Lead Poisoning / Q000097:blood / Q000503:physiopathology*; D008297:Male; D009784:Occupational Diseases / Q000097:blood / Q000503:physiopathology*; D011524:Protoporphyrins / Q000097:blood; D013076:Sperm Count; D013081:Sperm Motility
chemical_list: D011524:Protoporphyrins; D007854:Lead