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A 45-year-old man has been suffering from duodenal ulcer disease for 5 years. He complains of weakness, dizziness, dryness of the skin. Objectively: the skin and visible mucosa are pale, chapped lips; heart rate is 100/min., BP- 100/70 mm Hg, systolic murmur at all points on heart auscultation. All other internal organs are unchanged. Fecal occult blood test is positive. Blood test: erythrocytes - $3,1\cdot 10^{12$/l, Hb- 88 g/l, color index - 0,7, leukocytes - $4,6\cdot 10^9$/l, platelets - $350\cdot 10^9$/l, ESR- 21 mm/hour, anisocytosis, poikilocythemia, serum iron - 9,5 mcmol/l. What treatment tactics would you choose?a.Iron preparations, balanced dietb.Concentrated red cells transfusionc.Intramuscular introduction of 500 mkg of cyanocobalamind.Ascorbic acid, calcium chloridee.Corticosteroids, cytostatics

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