616.070202 Gra C Gradwohl , Rutherford Birchar Hayes , 1877. Clinical laboratory methods and dianosis , a textbook on laboratory procedures with their interpretation : whith 492 Illustrtions in the Text and 44 Color Plates / by R. B. H. Gradwohl . -- 2. ed. -- St. Louis : The C. V. Mosby , 1938 . 1607 p. : i l . ; 26 cm.