1. A 15-year study of the osseointegrated implants in the treatment of the edentulous jaw;Adell;Int J Oral Surg,1981
2. Long-term follow-up study of osseointegrated implants in the treatment of the totally edentulous jaw;Adell;Int J Oral Maxillofac Implants,1990
3. Rehabilitation of the edentulous mandible with tissue-integrated fixed prostheses: a six-year longitudinal study;Lindquist;Quintessence International,1987
4. Osseointegrated implants in the treatment of the partially edentulous jaws: a prospective 5-year multicenter study;Lekholm;Int J Oral Maxillofac Implants,1994
5. A six-year prosthodontic study of 509 consecutively inserted implants for the treatment of partial edentulism;Naert;J Prosthet Dent,1992