Synthesis and properties of nanostructures based on lanthanum fluoride for photodynamic therapy of tumors of the cranial cavity and bone tissue - A. P. Kusyak; A. L. Petranovska; S. P. Turanska; O. I. Oranska; Yu. M. Shuba; D. I. Kravchuk; L. I. Kravchuk; V. S. Chornyi; O. A. Buryanov; Yu. L. Sobolevskyy (Chemistry, physics and technology of surface, 2021)