TREASURY DEPARTMENT UNITED STATES PUBLIC HEALTH SERVICE HYGIENIC LABORATORY-BULLETIN No. 106 JANUARY, 1917, STUDIES IN PELLAGRA: I. TISSUE ALTERATION IN MALNUTRITION AND PELLAGRA BY JOHN SUNDWALL II. CULTIVATION EXPERIMENTS WITH THE BLOOD AND BY EDWARD FRANCIS III. FURTHER ATTEMPTS TO TRANSMIT PELLAGRA BY EDWARD FRANCIS WASHINGTON GOVERNMENT PRINTING OFFICE |