BARRON ROTARY BLADE TREPHINE USING HESSBURG-BARRON
Jan 1987
64d
BARRON TWIN BLADE TREPHINE FOR EPPIKARATOPHAKIA
Mar 1986
33d
RING SUPPORTED TREPHINE FOR CORNEA TRANS
Oct 1984
63d
HESSBURG-BFRRON TREPHINE
Oct 1980
84d