1. and J. Biomed. Mater. Res., in press.
2. American Society for testing and Materials, specification for acrylic bone cements, ASTM-F4.20 Ballot F0401, Philadelphia, 1974.
3. International Standards Organization, draft of bone cement specification, ISO/TC150/SC1/WG1 (1974).
4. Standard method of test for flexural properties of plastics, D790, American Society for Testing and Materials Annual Book of Standards, Philadelphia, 1974.