Gelatin-Modified Calcium/Strontium Hydrogen Phosphates Stimulate Bone Regeneration in Osteoblast/Osteoclast Co-Culture and in Osteoporotic Rat Femur Defects—In Vitro to In Vivo Tra... oleh Benjamin Kruppke, Seemun Ray, Volker Alt, Marcus Rohnke, Christine Kern, Marian Kampschulte, Christiane Heinemann, Matthäus Budak, Josephine Adam, Nils Döhner, Lucretia Franz-Forsthoffer, Thaqif El Khassawna, Christian Heiss, Thomas Hanke, Ulrich Thormann