1. A 15-year study of osseointegrated implants in the treatment of the edentulous jaw;Adell;International Journal of Oral Surgery,1981
2. The long-term efficacy of currently used dental implants;Albrektsson;International Journal of Oral & Maxillofacial Implants,1986
3. Treatment concept for mandibular overdentures supported by endosseous implants. A literature review;Batenburg;International Journal of Oral & Maxillofacial Implants,1998
4. Mandibular overdentures supported by two or four endosteal implants. A prospective, comparative study;Batenburg;International Journal of Oral and Maxillofacial Surgery,1998
5. A 5-year longitudinal study of the clinical effectiveness of ITI solid-screw implants in the treatment of mandibular edentulism;Behneke;International Journal of Oral & Maxillofacial Implants,2002