J. Usher

Fuzzy classification of intra-cardiac arrhythmias

J. Cameron, J. Usher, D. Campbell, 1996, Proceedings of 18th Annual International Conference of the IEEE Engineering in Medicine and Biology Society.

Male hypogonadism: an extended classification based on a developmental, endocrine physiology‐based approach

R. Rey, S. Gottlieb, I. Bergadá, 2013, Andrology.