1. A 15-year study of osseointegrated implants in the treatment of edentolous jaw;Adell;Int. J. Oral Surg.,1981
2. Brånemark, P.-I., Hansson, B.O., Adell, R., Breine, U., Lindström, J., Hallen, O. & Öhman, A. Osseointegrated implants in the treatment of the edentolous jaw. Experience from a 10-year period. Almqvist & Wixell International, Stockholm Sweden.
3. Presurgical planning for osseointegrated implants in the maxilla;Eckerdal;Int. J. Oral Maxillofac. Surg.,1986