title: Effect of health maintenance programs on Los Angeles City firefighters.
mesh_terms: D000328:Adult; D001794:Blood Pressure; D001835:Body Weight; D002140:California; D002784:Cholesterol / Q000097:blood; D005390:Fires / Q000517:prevention & control*; D006801:Humans; D008297:Male; D008875:Middle Aged; D010809:Physical Fitness
chemical_list: D002784:Cholesterol