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Radiology in tortoises, terrapins and turtles as an aid to diagnosis.

The exposure factors, choice of film and screens, positioning of the patient and alterations in beam direction are described as are two types of contrast media for the gastro-intestinal tract. Methods for the use of dental films and macro-radiography are also given. 
 
Four diseases of chelonians, nutritional osteodystrophy, pneumonia, oedema and a ruptured bladder are described together with the associated radiographs and radiological interpretation.