Fig. 5
a Experimental procedures of injection treatment. b Body weight and c relative cancer volume variations of 4T1 tumor-bearing mice after different treatments within 14 days. d Weight and e representative photos of the tumors collected from different groups at 14th day. f H&E and g ki67 stained tumor slices collected from different groups at 14th day. (Group 1: PBS, Group 2: Co-Fc MOF, Group 3: 5 mg/kg CaO2@Co-Fc, Group 4: 15 mg/kg CaO2@Co-Fc.)