ESTABLISHMENT OF PERMISSIBLE LIMITS FOR LEACHING SUBSTANCES FROM BONE SUBSTITUTES CONTAINING HYDROXYAPATITE AND BETA-TRICALCIUM PHOSPHATE
It has been proven that the main factor in the uncertainty of laboratory results is biological variation, that is, a change in the composition of human biomaterials, reflecting the course of life processes in the body and is characterized by a combination of the constancy of the internal environment and dynamic fluctuations around the homeostasis point.