A study of the comparative effect of cerium oxide and cerium peroxide on stimulation of angiogenesis: Design and synthesis of pro-angiogenic chitosan/collagen hydrogels. - Zubairi W; Tehseen S; Nasir M; Anwar Chaudhry A; Ur Rehman I; Yar M (Journal of biomedical materials research. Part B, Applied biomaterials, 2022)