Heffner, John E. Pulmonary/respiratory therapy secrets [[Book] /] Polly E. Parsons, John E. Heffner [editors]. - 2nd ed. - Philadelphia : Hanley & Belfus, c2002. - xix, 539 p. : ill. ; 23 cm. - The secrets series . Includes bibliographical references and index. All Ages. ISBN: 1560534273 LCCN: 2001024150 Subjects--Topical Terms: Lungs--Diseases--Miscellanea.Respiratory therapy--Miscellanea.Respiratory Tract Diseases--Examination Questions. LC Class. No.: RC756 / .P84 2002 Dewey Class. No.: 616.24 National Library of Medicine Call No.: 616.24 / HP