59 
No. 43. — The standardization of tetanus antitoxin. An American unit established 
under authority of the act of July 1, 1902. By M. J. Rosenau and John F. Anderson. 
In citing these bulletins, beginning with No. 8, bibliographers and authors are 
requested to adopt the following abbreviations: Bull. No. , Hyg. Lab., TJ. S. 
Pub. Health & Mar.-Hosp. Serv., Wash., pp. . 
MAILING LIST. 
The Service will enter into exchange of publications with medical and scientific 
organizations, societies, laboratories, journals, and authors. All applications for 
THESE PUBLICATIONS SHOULD BE ADDRESSED TO THE “ SuRGEON-GeNERAL, U. S. 
Public Health and Marine-Hospital Service, Washington, D. C.,” except 
THOSE MARKED (*). 
The editions of the publications marked (*), available for distribution by the Sur- 
geon-General of the Public Health and Marine-Hospital Service, have been 
exhausted. Copies may, however, be obtained from the Superintendent of Docu- 
ments, Government Printing Office, Washington, D. C., who sells publications at 
cost and to whom requests for publications thus marked shoidd be made. 
o 
