A closed-loop electrical stimulation system for cardiac cell cultures. - R. Hollis Whittington; Laurent Giovangrandi; Gregory T. A. Kovacs (IEEE Trans. Biomed. Eng., 2005)

Temporal Resolution of Stimulation Threshold: A Tool for Electrophysiologic Analysis. - R. Hollis Whittington; Michael Q. Chen; Laurent Giovangrandi; Gregory T. A. Kovacs (EMBC, 2006)

A Discrete-Time Control Algorithm Applied to Closed-Loop Pacing of HL-1 Cardiomyocytes. - R. Hollis Whittington; Gregory T. A. Kovacs (IEEE Trans. Biomed. Eng., 2008)