United States. Surgeon-General's Office, American Roentgen Ray Society · New York : Middleditch · leaf 228
e sort of injuries one hasto deal with in military surgery, and therefore dif-ficult to give definite instruction in the part taken by theradiologist. The following illustrations serve to showthe proper adjustments for the different parts of thejaw bones, and they may be taken as guides in… … Fig. 1. Position of patient, film and tube for exposure of upper molar region.Note elevation of head and slight downward tilt of cone. 221
