title: A study of serum vitamin B12 in various peripheral neuropathies.
mesh_terms: D000293:Adolescent; D000328:Adult; D003929:Diabetic Neuropathies / Q000097:blood; D005260:Female; D006801:Humans; D007918:Leprosy / Q000097:blood; D008297:Male; D008875:Middle Aged; D010383:Pellagra / Q000097:blood; D010523:Peripheral Nervous System Diseases / Q000097:blood*; D011128:Polyradiculopathy / Q000097:blood; D014805:Vitamin B 12 / Q000097:blood*
chemical_list: D014805:Vitamin B 12