Y. Umada

A Study of Ulnar Collateral Ligament of the Thumb Metacarpophalangeal Joint

K. Firoozbakhsh, M. Moneim, I. S. Yi, 2002, Clinical orthopaedics and related research.

Interspecific Hybrids of Lilium longiflorum and L. × formolongi with L. rubellum and L. japonicum through Embryo Culture

K. Okazaki, Y. Umada, O. Urashima, 1992 .

THE PRODUCTION AND CHARACTERISTICS OF THE NEW TULIP CULTIVAR, 'ARISA'

T. Tsuji, M. Kanamori, M. Koizumi, 2005 .