THE PREPARATION OF TUBERCULIN 



305 



REFERENCES 



MARSHALL: Microbiology, pp. 485, 487. 



MOORE: Principles of Microbiology, pp. 251-253. 



FIG. 67. Glycerin Veal-broth Cultures of Bad. tuberculosis (Human), 

 for Tuberculin, about Eight Weeks Old, (Orig. Keck,) 



BESSON: Practical Bacteriology, Microbiology and/ Serum Therapy, 



pp. 289-345. 



MOORE: Bovine Tuberculosis. 

 KOLMER: Infection, Immunity and. Specific Therapy (1915), pp. 582- 



601, 661-680. 

 ZINSSER: Infection and Resistance (1914) ,pp. 355-357, 438-442. 



