17.
For a PA axial projection, the Caldwell ____________________ is used to
demonstrate the frontal and anterior ethmoid sinuses.
18.
There are three alternative names for this position:
(1) _____________________________ position.
(2) _____________________________ position.
(3) _____________________________ position.
19.
Three alternative names for this position are:
(1) _____________________________ position.
(2) _____________________________ position.
(3) _____________________________ position.
MD0961
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