These keywords were obtained from AHFS Drug Information 2011. I was searching for recent rates of use/compliance/refusal etc in the U.S. so I only needed English generic names and U.S. trade names (no investigational names, or foreign trade or generic names, etc.).
(bisphosphonate* OR diphosphonat* OR Alendron* OR fosamax OR Etidron* OR didronel OR Ibandronate OR boniva OR Pamidronate OR aredia OR Risedronate OR actonel OR Zoledronic OR zometa OR reclast)
