Christie, Arthur Carlisle, 1879- · Philadelphia ; London : Lippincott · leaf 102
ng thesinus involved. The presence or absence of one orboth frontal sinuses may be established by goodrontgenograms. The maxillaey antra may be rontgenographedwith the tube in the same position as for the frontalsinuses, or with the ray directed at a point well belowthe base of the skull.… … Fig. 22.—Position for lateral rontgenography of head.
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