ADELL, R. A 15-year study of osseointegrated implants in the treatment of the edentulous jaw. Int. J. Oral Surg. 1981, 10, 387-416
ADELL, R. Marginal tissue reactions at osseointegrated titanium fixtures. Int. J. Oral Maxillofac. Surg. 1986, 15, 39-52
ADELL, R. A long-term follow-up study of osseointegrated implants in the treatment of totally edentulous jaw. Int. J. Oral Maxillofac. Implants. 1990, 5, 347-359
ALBREKTSSON, T. Osseointegrated titanium implants, requirements for ensuring a long-lasting direct bone-to-implant anchorage in man. Acta. Orthop. Scand. 1981, 52, 155-170