PT - JOURNAL ARTICLE AU - R. M. Letts TI - Myositis ossificans progressiva. A report of two cases with chromosome studies DP - 1968 Nov 02 TA - Canadian Medical Association Journal PG - 856--862 VI - 99 IP - 17 4099 - http://www.cmaj.ca/content/99/17/856.short 4100 - http://www.cmaj.ca/content/99/17/856.full SO - CMAJ1968 Nov 02; 99