Rocke, D M Age- and joint-specific risk of initial heterotopic ossification in patients who have fibrodysplasia ossificans progressiva. [electronic resource] - Clinical orthopaedics and related research Apr 1994 - 243-8 p. digital Publication Type: Journal Article ISSN: 0009-921X Subjects--Topical Terms: AdolescentAdultAge FactorsAnkle JointChildChild, PreschoolElbow JointHumansInfantMyositis Ossificans--pathologyNeck--pathologyOssification, Heterotopic--pathologyPatient Care PlanningRiskShoulder JointSpine--pathology