Due to a lack of financial resources, we unfortunately have to suspend the import of any new radio frequency and mobile phone-related articles as of now (November 27, 2017). We apologize for this inconvenience and will keep you informed.


Physiology. Biochemical substance, produced in an anatomically and histologically well defined structure of the organism (endocrine organ), that is shed into the blood, and causes highly specific changes in the metabolic activity of another cell, tissue or organ located elsewhere in the body.