A sub-microwatt piezo-floating-gate sensor for long-term fatigue monitoring in biomechanical implants. - Nizar Lajnef; Shantanu Chakrabartty; Niell Elvin; Alex Elvin (EMBC, 2006)

Piezo-powered floating gate injector for self-powered fatigue monitoring in biomechanical implants. - Nizar Lajnef; Shantanu Chakrabartty; Niell Elvin; Alex Elvin (ISCAS, 2007)

In-vivo detection of patellar tendon creep using a fibre-optic sensor. - Jacobus Hendrik Müller; Cornie Scheffer; Alex Elvin (Int. J. Medical Eng. Informatics, 2008)