［?? ???］???，??? ???? ??

?? 1998? 4? 29? 19? 13?

???: ?

???PC?? ???? 5? ??? ???? 10～30% ? ???? PC? ??????? ??? PC? ??? ???? ‘??? ????’? ?? 11? ???? ??.

??? ???? ????. △?? 13,14? ??? ??? △?? 16,17? ???? ???? △?? 9? SK??? ???? △?? 9? SK??? ???? △?? 9? SK??? ????? △?? 6～8????, 13～15? ????? △??9? ????????? △??13～15? ??? △?? 1～9? ?&???? △?? 9???? △?? 16～17? ??? ???. 02―598―1412(?231)

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