The following publications are possibly variants of this publication:
- A neuro-stimulus chip with telemetry unit for retinal prosthetic deviceWentai Liu, Kasin Vichienchom, Mark Clements, Stephen C. DeMarco, Chris Hughes, Elliot McGucken, Mark S. Humayun, Eugene de Juan Jr, James D. Weiland, Robert J. Greenberg. jssc, 35(10):1487-1497, 2000. [doi]
- A variable range bi-phasic current stimulus driver circuitry for an implantable retinal prosthetic deviceMohanasankar Sivaprakasam, Wentai Liu, Mark S. Humayun, James D. Weiland. jssc, 40(3):763-771, 2005. [doi]
- A matched biphasic microstimulator for an implantable retinal prosthetic devicePraveen R. Singh, Wentai Liu, Mohanasankar Sivaprakasam, Mark S. Humayun, James D. Weiland. iscas 2004: 1-4