by Karaikovic, E E, Kunakornsawat, S, Daubs, M D, Madsen, T W, Gaines, Jr, R W
Published in Journal of spinal disorders (01.02.2000)

by Lt.-Col. E.H. Hollyer, Lt.-Col. H. W. Madsen, Lt.-Cdr. R. T. Murray, Maj. D. J. Redknap
Published in The Ottawa citizen (1986) (04.03.1997)