Synthesis and Characterization of Injectable Hydrogels with Varying Collagen⁻Chitosan⁻Thymosin β4 Composition for Myocardial Infarction Therapy

合成和表征具有不同胶原蛋白-壳聚糖-胸腺素β4组成的可注射水凝胶用于心肌梗死治疗