1. Removable partial denture design;Krol,1990
2. Implant-retained overdentures;Lewis;Compend Contin Educ Dent,1993
3. Attachment reference manual;Staubi,1984
4. The ERA implant-supported overdenture;Davidoff;Compend Contin Educ Dent,1995
5. The two-phase implantation method using IMZ intramobile cylinder implants;Kirsch;J Oral Implantol,1983