1. Bone formation in upper abdominal scars;Sanders;Ann. Surg.,1955
2. Heterotopic bone formation developing in abdominal scars;Classen;Surgery,1960
3. Bone formation in abdominal scars after xiphoidectomy;Watkins;Arch. Surg.,1964
4. Sur une racine qui a la faculté de tiendre encougé les os des animaux vivants;Duhamel;Mém. Acad. Roy. Sci.,1739
5. Current concepts of bone formation;Duhamel;J. Bone & Joint Surg.,1962