1979~1993年15年内,初次喉癌治疗1079例,男1001例,女78例,男女比为13:1。年龄22~gi岁,平均64.Z岁,50岁以上占94.3%(1017例)。其中女性平均年龄稍高66.8岁,男64.0岁。非吸烟者35例(男16例,女19例),吸?
During 1979-1993, 1079 primary laryngeal cancer
The phase states of the catalytic system of FeCl3-Al(i-Bu)3-pyridine are studied in the paper by means of the Tyndall effect, electron microscopy and super-filt