INTRACAPSULAR EXTRACTION OF THE CRYSTALLINE LENS WITH A LENS-FREEZER COOLED BY LIQUID NITROGEN (LIQ. N2) - 195.8 DEGREES C. - RAPID FREEZING
EXTRACCI'ON INTRACAPSULAR DEL CRISTALINO CON FACO CONGELADOR REFRIGERADO A NITROGENO LIQUIDO (N2 LIQ.) - 195,8 C. - CONGELACI'ON R'APIDA