Significant efforts on construction of smart drug delivery for developing minimally invasive gelling system to prolong local delivery of bisphosphonates are considered as promising perspectives for the bone-related diseases. which provide the hydrogels with unique bioactivities for bone repair in clinic. Herein. we have constructed an alendronate (ALN)-conjoined injectable tetra-PEG h... https://www.minidsreamers.shop/product-category/sunglasses/