00667nam a2200145Ia 4500 180412s9999||||xx |||||||||||||| ||und|| 433188383 Ahmadu Bello University Library - Zaria SWALLOW, R. A. Clark's positioning in radiography. R. A. Swallow, E. Naylor (Eds.) \\ 11th ed. London Heinemann 1986 418p. Radiography, radioscopy, radiodiagnosis, skiagraphy, tomography.;Gamma rays.;Grenz rays.;Natural science;Radiology and Atomic Energy;X-rays in diagnosis, and in biological research (the study of the diseased and normal organism).;Roentgen rays (X-rays).;X NAYLOR, E. 319 319