00627cam a22002411 4500 med48000039 DLC 20260227111609.0 750520s1948 xx 000 0 eng med48000039 (OCoLC)1347424 DLC FM DLC premarc RD690 .L43 616.73 Lewin, Philip, 1888- The back and its disorders. New York, Whittlesey House [c1948] xiii, 157 p. illus. 21 cm. (Whittlesey House health series) Backache Back Diseases 38831 38831