Experimental Study of the Biodistribution of New Bone-Seeking Compounds Based on Phosphonic Acids and Gallium-68 - V. K. Tishchenko; V. M. Petriev; A. A. Mikhailovskaya; E. D. Stepchenkova; V. Yu. Timoshenko; A. A. Postnov; I. N. Zavestovskaya (Bulletin of Experimental Biology and Medicine, 2020)