Smith, R Fibrodysplasia (myositis) ossificans progressiva. Clinical lessons from a rare disease. [electronic resource] - Clinical orthopaedics and related research Jan 1998 - 7-14 p. digital Publication Type: Journal Article ISSN: 0009-921X Subjects--Topical Terms: AdolescentBiopsyChildChild, PreschoolFemaleFollow-Up StudiesHumansInfantInfant, NewbornMaleMyositis--congenitalMyositis Ossificans--diagnosisOssification, Heterotopic--diagnostic imagingRadiographyToes--abnormalities