The biennial meeting of the Ruth Jackson Orthopaedic Society (RJOS) will be held Oct. 12-13 in Dallas. To register, contact the RJOS office, (847) 698-1693 . . . Registration is being accepted for the North American Spine Society's (NASS) annual meeting, Oct. 23-26, in Vancouver, British Columbia. Contact the NASS office at (847) 698-1630 for meeting information . . . The American Association of Hip and Knee Surgeons (AAHKS) will hold its fall meeting, Nov. 8-10, in Dallas. To register, contact the AAHKS office, (847) 698-1693.