anatomy arthritis bone bonediseases complications connectivetissue connectivetissues cutaneousmanifestationsofgeneraldiseases diseases etiology fractures geneticaspects genetics histology molecularaspects musculardiseases orthopedics pathological physiology rc924 rheumaticdiseases rheumatism sjogren'ssyndrome skin skindiseases skinmanifestations systemiclupuserythematosus vasculitis wd375 wd375c74852002 we140c678o1990 we544