<prompt> All of the following drugs enhances bone resorption except:ProstaglandinsVitamin DCorticosteroidsBisphosphonates  <response>: Various promoter drugs: enhance bone resorptionProstaglandinsLeukotrienesCytokinesVitamin DOsteocalcinCorticosteroidsSupressor agents: Reduce bone resorptionNSAIDSBisphosphonates used in treatment of cancers and osteoporosis 