Ten years ago, Waksman and Lechevaller1 demonstrated the important antibiotic action of neomycin against the Koch bacillus. The effect of neomycin is even greater than that of streptomycin. Rake, Hobby and Donovick' have also demonstrated the antibiotic effect of neomycin in experimental tuberculosis. Because of its toxicity, Grumbach and Rist3 considered that parenteral neomycin injection was ...