RT Journal T1 CLinical diagnosis by laboratory methods. JF Archives of Internal Medicine JO Archives of Internal Medicine YR 1949 FD February 1 VO 83 IS 2 SP 247 OP 247 DO 10.1001/archinte.1949.00220310130008 UL http://dx.doi.org/10.1001/archinte.1949.00220310130008 AB In this latest edition of a textbook on standard laboratory diagnosis of proved merit, the subject matter has been brought strictly up to date. Dr. Sanford has called on his associates in the Mayo Clinic to help in making new tests clear and clinically applicable to diagnosis of the disease states for which they were devised. The section on medical mycology has been expanded in keeping with the present widespread interest in this field. Modern methods for assay of penicillin and streptomycin in body fluids and of blood levels of the various vitamins are practically presented. Enough discussion of the various disease states is given to allow the reader to make a fairly accurate estimate of the importance of variations from normal with each test. It can truthfully be said that this is a worthy successor to long series of editions of a textbook which has always been among the