6Tomita M, Mizumo S, Yamanaka H, et al. Does hyperuricemia af- fect mortality a ~prospective cohort study of japanese male workers [J] .Epidemiol, 2001, 38 (5): 1101.
7Cakir N, Yetkin I, Karakoc A, et al. L - Camitine in the treatment of painful diabetic neuropathy and its effect on plasma B - cndor - phin- levels [J] . Cur Therap Res, 2000, 61 : 871 -876.