二 ed Aug ． 2 ， 2000 ； CDde Nos ． 621 、 814 ゆ mommwwwwwwww ー pm ． ww and measured entrance dc)ses ， the deviation was about 10 ％ in phan − tom studies and 20 ％ in the clinical setting ． Using our equation ， calculation of entrance skin dose is pos − sible from area exposure product and is useful forpatient dose control in the clinical setting ．

An additiona1 filter on the collimater of x −ray tube is usefu1 to reduc サ exposure dose during x − ray fluoros − exposure dose to the patient and scatter dose to the operator could be decreased further ，

No abstract

Thin-section CT with SD12 is not acceptable. SD11 seems to be the setting with the lowest radiation dose while providing acceptable imaging quality for pulmonary thin-section CT.

No abstract