Heller, Richard M. Advanced exercises in diagnostic radiology : 12 the newborn / by Richard M. Hellr and Sandra G. Kirchner - Philadelphia : W. B. Saunders, 1979 - 164 p. : ill. ; 26 cm. ISBN: 0697148785 LCCN: 74-113034 Subjects--Topical Terms: Radiography--Programmed texts