Types of Typhoidphage and a Note on the Protective Value of Typhoidphage in Animal Experiments
نویسندگان
چکیده
Pasricha, deMonte and Gupta (1931) reported the isolation of four types of typhoidphage but the properties of the different types were not then described. These four types not only form plaques or clearings which differ in their morphology but give the ' reciprocal cross tests '. A secondary culture (produced after the action of any one of the types on a susceptible strain of Bact. typhosum) is lysable by the other three types. The general characteristics of these four types are :?
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