Afact − finding survey carried out by the Radiology Department of our society in l985 and 1990 revealed th。t ・th。 p ,。 ce 、・i ・ g tim ・ ・f ・ n X − ray 伽 p・・ cess ・・ i・ 9。 sec f・・ m ・ ・e th・ n ab ・ut 90 % ・ f ・ ll X − ・ay ・・Th ... 90 sec − processing was defined as the " standard processing " time for the present, and 45 sec processing was called