HORWOOD, Andrew and CHOCKALINGAM, Nachiappan (2017) Defining excessive, over, or hyper-pronation: A quandary. The Foot, 31. pp. 49-55. ISSN 09582592
HORWOOD, Andrew and CHOCKALINGAM, Nachiappan (2023) Clinical Biomechanics in Human Locomotion: Origins and Principles. Academic Press (Elsevier). ISBN 978-0-323-85212-8