text: <unk>  is a medication for osteoporosis marketed as Protelos or Protos by Servier. It is unusual in the sense that it both increases deposition of new bone osteoblasts and reduces the resorption of bone by osteoclasts. It is therefore promoted as a "dual action bone agent" (DABA).
option_0: Strontium ranelate
option_1: Calcium carbonate
option_2: Calcium carbonate 
option_3: Sodium stibogluconate
option_4: Calcium fluoride
option_5: Ferrous carbonate
option_6: Ferrous tartrate
option_7: Calcium acetate