www.aaos.org : American Academy of Orthopaedic Surgeons www.uthealth.com : A great local source for health information. www.nof.org : National Osteoporosis Foundation www.rxlist.com : Has extensive information on drugs. www.utahhipandknee.com : Dr. Bertin's website for Hip & Knee replacements. www.webmd.com : A great source for general health information. www.teambone.com : Information on osteoporosis research involving Dr. Skedros.