WILLIAM S. SADLER, M. D.

PROFESSOR OF THERAPEUTICS, THE POST-GRADUATE MEDICAL

SCHOOL OF CHICAGO; DIRECTOR OF THE CHICAGO INSTITUTE

OF PHYSIOLOGIC THERAPEUTICS; FELLOW OF THE

AMERICAN MEDICAL ASSOCIATION; MEMBER OF

THE CHICAGO MEDICAL SOCIETY; THE ILLINOIS

STATE MEDICAL SOCIETY; THE AMERICAN

ASSOCIATION FOR THE ADVANCEMENT

OF SCIENCE, ETC.

AND