1. A long-term follow-up study of osseointegrated implants in the treatment of totally edentulous jaws;Adell;International Journal of Oral and Maxillofacial Implants,1990
2. A 15-year study of osseointegrated implants in the treatment of the edentulous jaw;Adell;International Journal of Oral Surgery,1981
3. A multicenter study of osseointegrated oral implants;Albrektsson;Journal of Prosthetic Dentistry,1988
4. The long-term efficacy of currently used dental implants: a review and proposed criteria of success;Albrektsson;International Journal of Oral and Maxillofacial Implants,1986
5. A 3-year clinical study of Astra Dental implants in the treatment of edentulous mandibles;Arvidson;International Journal of Oral and Maxillofacial Implants,1992