1. Yefimov AS. Diabetic angiopathy. Moscow: Meditsina; 1973. 148 p. Russian.
2. Tkach SN. Electrophysiological diagnosis and treatment of diabetic polyneuropathy with sulfur-containing drugs: Thesis of candidate of medical sciences. Kyiv: 1982. 24 p. Russian.
3. Yefimov AS, Tkach SN. Unithiol in the treatment of diabetic polyneuropathy. Sov. meditsina. 1981;(9):59-63. Russian.
4. Yefimov AS, Tkach SN. Treatment of diabetic polyneuropathy. Sov meditsina. 1985;(2):83-9. Russian.
5. Yefimov AS, Melnik IM, Tkachuk YuV, Tkach SN, Yefimov DA. Isodibut is an inhibitor of the sorbitol pathway of glucose metabolism in the treatment of diabetic angiopathy, neuropathy, cataracts. Zhurnal praktichnogo líkarya. 2002;(3):55-9. Russian.