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The sulfonamides ushered in a period of potent chemotherapy which was widely acclaimed until tyrothricin came into being, closely followed by penicillin and a great group of antibiotics which have placed the chemotherapeutics in the background. To many penicillin is still the wonder drug, but its effectiveness is limited largely to the Gram-positive organisms, and therefore it has been superseded in some instances by aureomycin, which is effective against both Gram-negative and Gram-positive organisms. Against certain diseases, syphilis and gonorrhea for example, penicillin is still the principal drug used because of its seemingly selective action in venereal disease.
It is interesting that the word "colds" is not in the index, and the word "respiratory" is also missing, but in general conditions which are "native" to the airways are given proper and sufficient attention in the text. The influenzas (A-virus and the B-virus types) are differentiated; the A is "more likely