1. The Problem of Assessing Individual Sensitivity and Tolerance to Hypoxia in Animals and Humans

   • E. A. Burykh

   Reviews 16 December 2019 Pages: 339 - 347

2. Report on the Relative Affinity Constant (M) of Hemoglobin for Carbon Monoxide in the Animal World: A Comparative Review with a Meta-Analysis Based on a Systematic Review

   • N. Delvau
   • A. Penaloza
   • P. M. Roy

   Reviews 16 December 2019 Pages: 348 - 364

3. Adaptive Mechanisms of Baroreflectory Regulation of the Cardiovascular System in Extreme Hyperoxia

   • S. Yu. Zhilyaev
   • T. F. Platonova
   • I. T. Demchenko

   Comparative and Ontogenic Biochemistry 16 December 2019 Pages: 365 - 371

4. Interspecies Peculiarities of Some Enzyme Activities in the Gonads of Black Sea Fish

   • I. I. Chesnokova
   • I. I. Rudneva

   Comparative and Ontogenic Biochemistry 16 December 2019 Pages: 372 - 379

5. The Role of Alpha-Tocopherol and Cycloferon in the Regulation of Apoptosis in Neurons of the Hypothalamic Suprachiasmatic Nucleus and Pinealocytes during Stress and Aging

   • L. K. Khuzhakhmetova
   • M. M. Belyaeva
   • E. D. Bazhanova

   Morphological Basics for Evolution of Functions 16 December 2019 Pages: 380 - 387

6. Two-Level Organization of Thermogenesis in Adipose Tissue: a Morphofunctional Hypothesis

   • E. I. Elsukova

   Problem Papers 16 December 2019 Pages: 388 - 397

7. Principles of Evolution of the Excretory Organs and the System of Homeostasis

   • Yu. V. Natochin

   Problem Papers 16 December 2019 Pages: 398 - 410

8. Superoxide Dismutase Activity in Phylogenetically Heterogeneous Regions of the Rat Brain during Repetitive Sessions of Hyperbaric Oxygenation

   • Ya. V. Bulgakova
   • P. N. Savilov
   • E. V. Dorokhov

   Short Communications 16 December 2019 Pages: 411 - 413

9. Novel Thienopyrimidine Derivatives with an Activity of Full and Inverse Agonists of the Luteinizing Hormone Receptor

   • K. V. Derkach
   • A. A. Bakhtyukov
   • A. O. Shpakov

   Short Communications 16 December 2019 Pages: 414 - 418

10. The Impact of Pharmacological Inhibition of Hsp70 Chaperone Expression on Protective Effects of the Glucose-Regulated 78 kDa Protein in a Parkinson’s Disease Model

    • I. V. Ekimova
    • M. B. Pazi
    • D. V. Belan

    Short Communications 16 December 2019 Pages: 419 - 422

11. Cardiac Activity in the Bivalve Mollusc Cristaria plicata from the River Songhua (China)

    • V. V. Zarykhta
    • T. V. Kuznetsova
    • Feng Yujie

    Short Communications 16 December 2019 Pages: 423 - 425

12. Changes in Reproductive Functions of Male Rats in a Posttraumatic Stress Disorder Model

    • S. G. Pivina
    • G. I. Holova
    • N. E. Ordyan

    Short Communications 16 December 2019 Pages: 426 - 428

13. Descending Interneurons in the Supraesophageal Ganglion of the Madagascar Cockroach Gromphadorhina portentosa

    • I. Yu. Severina
    • A. N. Knyazev

    Short Communications 16 December 2019 Pages: 429 - 432