Copyright 1919, 1922.
MADE IN THE UNITED STATES OF AMERICA
TO MY FELLOW-MEMBERS OF THE MEDICAL PROFESSION INTO WHOSE HANDS THIS BOOK MAY COME, AND TO ALL WHO MAY READ IT UNDER THEIR DIRECTION, THIS VOLUME IS MOST SINCERELY DEDICATED BY THE AUTHOR.
NOTE TO THE READER
IN ORDER TO GAIN A CORRECT IMPRESSION OF THE BOOK, IT IS ESSENTIAL THAT IT BE READ FROM THE BEGINNING TO THE END WITHOUT ANY SKIPPING WHATSOEVER. ONCE READ, IT CAN BE RE-READ, HERE AND THERE, AS THE READER MAY DESIRE. BUT FOR A FIRST READING, IT IS THE EARNEST WISH OF THE AUTHOR THAT EVERY WORD BE READ, FOR IN NO OTHER WAY CAN THE PURPOSE OF THE BOOK BE REALIZED.