1. Action of Na⁺, K⁺, and Ca⁺⁺ ions on the duration of the preautomatic pause of the heart

   • L. S. Ul'yaninskii

   Physiology Pages: 967 - 970

2. Action of manganese ions on automatic activity of myocardial fibers induced by nickel ions

   • E. A. Donskikh
   • M. R. Mukumov

   Physiology Pages: 971 - 973

3. Electrical responses of Retzius cells of the leech to inhibition of active ionic transport by ouabain

   • O. D. Tereshkov
   • A. I. Dolzhanov

   Physiology Pages: 974 - 977

4. Electrogenic mechanism of secretion of coagulation factors

   • V. F. Rusyaev

   Physiology Pages: 978 - 981

5. Effect of the vagus nerves on renal hemodynamics and tubular activity

   • M. I. Mavrin

   Physiology Pages: 982 - 983

6. Further analysis of the mechanism of origin of the first extrauterine breaths

   • V. P. Praznikov
   • L. Ya. Trakhtenberg

   Physiology Pages: 984 - 986

7. A study of the ingestive function of the reticuloendothelial system after administration of extracts of burned skin

   • N. A. Fedorov
   • R. V. Nedoshivina
   • B. E. Movshev

   Pathological Physiology and General Pathology Pages: 987 - 989

8. Analysis of the causes of the circulatory disturbance in burn shock

   • N. A. Len'kova

   Pathological Physiology and General Pathology Pages: 990 - 993

9. Activity of the thoracic muscles during thermal hyperpnea

   • B. I. Kolupaev

   Pathological Physiology and General Pathology Pages: 994 - 995

10. Analysis of the phase of preparoxysmal motor excitation during audiogenic fits in rats

    • D. A. Fless
    • R. M. Salimov

    Pathological Physiology and General Pathology Pages: 996 - 998

11. State of the pancreatic islets, fetal weight, and glucose tolerance test in offspring of male rats with alloxan diabetes

    • V. G. Baranov
    • I. M. Sokoloverova
    • R. F. Onegova

    Pathological Physiology and General Pathology Pages: 999 - 1001

12. Life span and causes of death of albino rats after prolonged intermittent feeding with ethylenediaminetetraacetate

    • T. L. Dubina
    • G. A. Berlov

    Pathological Physiology and General Pathology Pages: 1002 - 1004

13. Effect of hypoxia on the lactate dehydrogenase isoenzyme composition in the rat carotid body

    • N. V. Petrova

    Biochemistry and Biophysics Pages: 1005 - 1006

14. Comparative activity of some enzymes in muscle tissue in various parts of the rabbit stomach

    • T. Ya. Nadirova
    • A. A. Davidovskii
    • I. A. Mikhailova

    Biochemistry and Biophysics Pages: 1007 - 1009

15. Content of pyridine nucleotides in rat muscles after administration of corticotropin and hydrocortisone

    • V. I. Korkach

    Biochemistry and Biophysics Pages: 1010 - 1012

16. Investigation of the amino-acid reserves in parotid gland cells with rhythmic function

    • N. V. Nechaeva
    • V. I. Fateeva

    Biochemistry and Biophysics Pages: 1013 - 1015

17. Analysis of the role of glycolysis in the response of adrenal cells to ACTH

    • Yu. P. Shorin
    • V. N. Shershnev
    • N. I. Marchenko

    Biochemistry and Biophysics Pages: 1016 - 1018

18. Cortisol metabolism in monkeys

    • L. A. Vernigorova
    • V. D. Rogozkin

    Biochemistry and Biophysics Pages: 1019 - 1020

19. Character of change in the thermal conductivity coefficient of rabbit lymph in different parts of the lymphatic system

    • A. V. Stolyarov
    • Z. T. Bikbulatov
    • V. V. Kamenskaya

    Biochemistry and Biophysics Pages: 1021 - 1022

20. Effect of inhibitors of catecholamine synthesis (α-methyltyrosine and disulfiram) on spontaneous unit activity of the sensomotor cortex and responses to afferent, caudate, and reticular stimulation

    • É. B. Arushanyan
    • Yu. A. Belozertsev

    Pharmacology Pages: 1023 - 1026

21. Incorporation of acetate and phosphate into brain lipids during blocking of cholinergic and adrenergic receptors

    • N. R. Elaev

    Pharmacology Pages: 1027 - 1028

22. Effect of the type of premedication on the cardiovascular effects of inolin

    • L. I. Abaskulieva

    Pharmacology Pages: 1029 - 1030

23. Effect of chloralose anesthesia on the oxygen transport function of the blood

    • M. M. Seredenko
    • N. V. Il'chevich
    • S. A. Bershtein

    Pharmacology Pages: 1031 - 1033

24. Interaction in vitro between cells of immune lymph glands and intact bone marrow separated by a millipore membrane

    • L. A. Zakharova
    • N. S. Galkina

    Microbiology and Immunology Pages: 1034 - 1036

25. Changes in the number of antibody-forming and stem cells in the spleen of unilaterally nephrectomized mice

    • N. Yu. Alekseeva
    • S. S. Gambarov
    • I. N. Golovistikov

    Microbiology and Immunology Pages: 1037 - 1039

26. Cell composition of the thymus after immunization with bacterial and viral antigens

    • T. A. Menyavtseva

    Microbiology and Immunology Pages: 1040 - 1043

27. Role of peripheral blood lymphocytes in experimental allergic (Pertussis) encephalomyelitis

    • A. Kh. Kanchurin
    • A. A. Babakhin
    • V. B. Gervazieva

    Microbiology and Immunology Pages: 1044 - 1046

28. Immunochemical determination of serumβ _1-g-globulin in patients with chorionepithelioma

    • Yu. S. Tatarinov
    • N. V. Mesnyankina
    • D. M. Falaleeva

    Oncology Pages: 1047 - 1050

29. Comparative morphometric study of the ultrastructure of fibroblasts and cells of experimental rat fibrosarcomas

    • A. S. Yagubov
    • V. A. Kats

    Oncology Pages: 1051 - 1054

30. Comparative antileukemic action of RNA and histones from intact and regenerating homologous tissue

    • A. I. Svirnovskii
    • V. I. Levin
    • V. V. Nikolaichik

    Oncology Pages: 1055 - 1058

31. Prophylaxis of tumors induced by carcinogens in inbred mice

    • D. G. Zatula

    Oncology Pages: 1059 - 1060

32. Mechanism of premature development of embryonic rat lung after unilateral pneumonectomy on the mother during pregnancy

    • I. I. Orlova

    Experimental Biology Pages: 1061 - 1063

33. Rhythm of lysine-H³ incorporation into proteins of the mouse retina as an example of a complex cell system

    • V. Ya. Brodskii
    • A. M. Aref'eva

    Experimental Biology Pages: 1064 - 1065

34. Changes in monoamine concentration and monoamine oxidase activity in the arcuate nucleus of the hypothalamus during the estrous cycle

    • V. A. Grantyn
    • G. V. Ivanova

    Experimental Biology Pages: 1066 - 1068

35. Action of direct current on bone tissue

    • A. I. Anisimov

    Experimental Biology Pages: 1069 - 1071

36. Nature of dividing cells in the regenerating liver of xenogeneic radiation chimeras

    • V. M. Faktor
    • É. V. Chernyshova
    • N. G. Krushchov

    Experimental Genetics Pages: 1072 - 1074

37. Cytogenetic action of the antitumor photrin in cultures of human lymphocytes

    • S. A. Azhaev

    Experimental Genetics Pages: 1075 - 1076

38. Effect of the brachypodism-H gene on parameters of the cell cycle in cartilage cells of the primitive mouse embryonic fibula

    • N. A. Malinina

    Experimental Genetics Pages: 1077 - 1078

39. Electron-microscopic characteristics of the dynamics of thymidine-H³ and uridine-H³ in the mouse epidermis

    • S. S. Debov
    • I. N. Mikhailov
    • E. V. Vinogradova

    Morphology and Pathomorphology Pages: 1079 - 1083

40. Electron-microscopic investigation of allografts and xenografts of the aortic valves after prolonged functioning in the human heart

    • Yu. N. Yaroshinskii
    • A. B. Shekhter
    • V. A. Fursov

    Morphology and Pathomorphology Pages: 1084 - 1086

41. Morphological analysis of the functional state of the vascular endothelium in hypokinesia

    • Z. F. Savik
    • A. D. Cherkai

    Morphology and Pathomorphology Pages: 1087 - 1089

42. A multielectrode perfusion chamber for tissue culture research

    • M. B. Shtark
    • A. S. Ratushnyak
    • S. N. Olenev

    Methods Pages: 1090 - 1092