French's Index of Differential Diagnosis (7th ed.)

AFTER the appearance of the sixth edition, Herbert French had resolved to take no active part in any future production. I decided that it was not only desirable but necessary to undertake considerable reconstruction in the next edition. Although the basic principles of diagnosis must be static for all time, the considerably increasedscope of investigation by accessory aids demanded the inclusion of much new material and in many instances the production of entirely re-written rather than revised