Excerpt from California and Western Medicine, Vol. 31: Official Publication of the California Medical Association, Accredited Representative of the Nevada State Medical Association, Accredited Representative of the Utah State Medical Association; July to December, 1929 The bearing which these facts have on the thera peutie application of the bacteriophage cannot easily escape one's notice. An improperly chosen bacteriophage, administered therapeutically, may do no more than lead to the formation of secon dary, resistant forms, for which it may in turn become much more difficult, if not impossible, to find a suitable phage. Not only 15 the possibility of gaining an immediate. Therapeutic result lost, but it is at the same time made more remote. One cannot, therefore, exercise too much care in choos ing the bacteriophage which is to serve the thera peutie needs in a given case. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.