Spectrum of dentofacial deformities: a retrospective survey.

by Ong, M.A.H.
Published 2004

Recurrent gigantic pyogenic granuloma disturbing speech and mastication: a case report and literature review.

by Ong, M.A., Chai, W.L., Ngeow, Wei Cheong
Published 1998

Design and fabrication of a manually operated welding positioner

by Ragat, Virgil Cortez, Ong, M.A. C., Tan, Willie Bautista
Published 1987