The familiar and popular "Physician's Handbook," now in its sixth edition, is presented with a new format and a completely new set of author-editors. The contents have been arranged in a handier and more logical sequence, and the black-tabbed rapid index makes the various chapters more easily accessible. Additional sections on the theory and use of the electrocardiogram and the radioisotopes are included, and information on the newer antibiotics has been added to the sections on therapy. Hormone therapy has been brought up to date, with the inclusion of uses and dosages of pituitary adrenocorticotropic hormone (ACTH) and cortisone. Retaining its emphasis on quick reference to hospital procedures, factual data and clinical aids, this improved edition of the "Physician's Handbook" will be now more than ever an invaluable aid to medical students, interns and resident physicians.