Drysdale I.P., Hinkley H.J., Bird D., Walters N.J., Calcaneal Broadband Ultrasound Attenuation Changes over a Twelve Month Period. #SU146 American Society for Bone and Mineral Research, 23rd Annual Meeting, USA. 2001
Hinkley, H.J., Drysdale, I.P., Bird, D., Walters, N.J., A Normative data for Ultrasound measurement of the Calcaneus within a Male Caucasian population. #SA104. American Society for Bone and Mineral Research, 23rd Annual Meeting, Phoenix, USA. 2001
Drysdale, I.P., Hinkley, H.J., Walters, NJ., Shale, M., Bird, D., Bilateral Calcaneal Differences as Measured by Three Bone Densitometers Employing Ultrasound and X-ray Methodology – Part II. Journal of Clinical Densitometry, 2001; 4 (4) :337-341
Drysdale, I.P., Hinkley, H.J., Shale, M., Bird D., Walters, N.J., Bilateral Variation of Calcaneal Broadband Ultrasound Attenuation (BUA) Part I Journal of Clinical Densitometry, 2001; 4 (1): 37-42.