Evaluation of the shock absorption performance of construction helmets under repeated top impacts [0.03%]
John Z Wu,Christopher S Pan,Bryan M Wimer John Z Wu
It is accepted in industries that an industrial helmet should be disposed of when it is subjected to a significant impact. There is no scientific evidence that supports this well-accepted belief. The current study was intended to evaluate t...
P Heaton-Adegbile,B Russery,L Taylor et al. P Heaton-Adegbile et al.
Severe wear and aseptic loosening in an uncemented acetabular prosthesis have been observed in a revision surgery carried out at King Edwards VII hospital by L. Taylor and P. Heaton-Adegbile, twelve years following the primary total hip rep...