Biological sciences

Varlamova N.G., Parshukova O.I., Kudinova A.K., Boyko E.R.

Dynamic characteristics of external respiration function in cross-country skiers in the annual cycle. P. 5-13

Astakhova T.Yu.

Vitamin D Levels in Pregnant Women Living in the Khanty-Mansi Autonomous Okrug – Yugra. P. 14-22

Kashina Yu.V., Pokrovskiy V.M., Cherednik I.L.

The Role of Serotoninergic Mediator System Genes in the Formation of Human Regulatory and Adaptive Capabilities. P. 23-33

Irzhak L.I., Russkikh N.G., Parshukova A.N.

Correlation Between Ultrasound and Electrocardiographic Parameters of Intracardiac Haemodynamics Under Physical Load in Humans. P. 34-40

Popova M.A., Chistova V.V., Shcherbakova A.E.

Functional State of Teachers of a Northern University When Switching to Distance Education. P. 41-53

Medical and biological sciences

Gordeeva A.E., Kurganova E.A., Novoselov V.I.

Effect of Peroxiredoxin 6 on Nephrons in the Early Reperfusion Period After Renal Ischemia in Rats. P. 75-85

Kashpanov M.D., Popov V.V., Novikova I.A.

Relationship Between Vitamin D Level and Functional State of Patients with Osteoarthritis Aged 60–80 Years Living in Murmansk. P. 86-94

Preventive medicine

Vetoshkina U.V., Semushina O.P., Leont’eva O.Yu., Sokolova O.V.

Tick-Borne Viral Encephalitis in the Arkhangelsk Region During the COVID-19 Pandemic. P. 63-74

Review articles

Kataev D.A., Tsirkin V.I., Kishkina V.V., Trukhina S.I., Trukhin A.N.

The Nature of Total Power and Very Low Frequency Waves on the Interval Electrocardiogram from the Standpoint of the Human Body’s Adaptation to Motor Activity (Review). P. 95-107

Volkov D.A., Kirov M.Yu.

Physiological Bases of Goal-Directed Fluid Therapy in Cardiac Surgery (Review). P. 108-121

Clinical medicine

Radysh I.I., Kruglova L.I., Boyarintsev V.V.

Effectiveness of Rehabilitation After Arthroscopic Anterior Cruciate Ligament Reconstruction. P. 54-62