Egwu, O.A., Anibeze, C.I.P., Akpuaka, F.C. and Udoh, B.E. 2012. Activity related differences in the thickness of achilles tendon among four different occupational groups in Nigeria: an ultrasound based study. Bangladesh Journal of Medical Science. 11, 2 (Jul. 2012), 103–111. DOI:https://doi.org/10.3329/bjms.v11i2.9666.