TeriparatideBone Density Conservation AgentsAlendronateOsteoporosis, PostmenopausalCalcium SignalingOsteoporosisBone DensityExostosesCalcium ChannelsOsteoporotic FracturesCalcium, DietaryNafarelinFractures, BoneBone RemodelingEtidronic AcidCalcium CarbonateRetreatmentSpinal FracturesNail DiseasesOsteochondromaAnabolic AgentsLumbar VertebraeDiphosphonatesCalcium PhosphatesDrug SubstitutionCalcium IsotopesParathyroid HormoneCalcium ChlorideHypoparathyroidismBone and BonesInjections, SubcutaneousBack Pain