4Th International Symposium on Computer Methods in Biomechanics and Biomedical Engineering, Date: OCT, 1999, Location: LISBON, PORTUGAL, Sponsors: 3M Unitek, Div 3M Hlth Care, W S Atkins Sci & Technol, European Soc Engn & Med, Gordon & Breach Sci Publishers, Smith & Nephew, Welsh Dev Agcy