CONTENTS Benjamin, Dr. Julien E., associate professor of medicine, University of Bullowa, Dr. Jesse M., clinical professor of medicine, New York College of Cecil, Dr. Russell L., professor of clinical medicine, Cornell University Medical College of New York City- Dyer, Dr. R. E., National Institute of Health.. Felton, Dr. Lloyd D., National Institute of Health_ Fisher, Dr. Ralph L., head of department of heart and lung diseases, Flippin, Dr. Harrison F., chairman, educational program for the control of Holle, Dr. H. A., National Institute of Health_ Rumreich, Dr. Adolph, National Institute of Health. Shaw, Dr. John J., secretary of health, Commonwealth of Pennsylvania__ III |