00881cam a22002771 4500 sg 44000303 DLC 20260227112744.0 790123s1944 xx 000 0 eng c sg 44000303 (OCoLC)4575791 U.S. Surg.-gen. off. Libr. OCl DLC premarc RC967 .B6 1944 618.97 Boas, Ernst P. (Ernst Philip), 1891-1955. Treatment of the patient past fifty, by Ernst P. Boas. Chicago, The Year book publishers, inc. [1944] 414 p. col. front., plates (1 col.) diagrs. 21 cm. The General practice manuals On spine: The patient past fifty. On cover: Second edition. Bibliographical foot-notes. Middle age. Medicine Practice. 90501 90501