1. Influence of pins on the compressive and transverse strength of dental amalgam and retention of pins in amalgam;Welk;J Am Dent Assoc,1969
2. Rationale for pin-retained amalgam restoration;Collard;Dent Clin North Am,1970
3. Five threaded pins compared for insertion and retention;Eames;Oper Dent,1980
4. Consistency of insertion and peak retentive loads of six types of self shearing retentive pins;Schlissel;IADR Abstracts,1979
5. Pins, a comparison of their retentive properties;Moffa;J Am Dent Assoc,1969