Christie, Arthur Carlisle, 1879- · Philadelphia ; London : Lippincott · leaf 103
Fig. 23.—Rontgenography of frontal sinuses. … EXAMINATION OF THE HEAD 89 experience in interpretation to be able to draw con-clusions as to their condition. To study these sinusesPfahler makes six rontgenograms, two postero-anterior, two lateral (stereoscopieally), and twooblique.^ Dental Rontgenography.—There are twomethods of making…
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