Jensen, N. E. (1980). Variation of type Antigens of Group-B Streptococci: I. Variation of the X-Antigen and of other type Antigens in Herds Where the X-Antigen Occurs. Acta Vet Scand.
Παραπομπή Chicago StyleJensen, Niels Einar. "Variation of Type Antigens of Group-B Streptococci: I. Variation of the X-Antigen and of Other Type Antigens in Herds Where the X-Antigen Occurs." Acta Vet Scand 1980.
Παραπομπή MLAJensen, Niels Einar. "Variation of Type Antigens of Group-B Streptococci: I. Variation of the X-Antigen and of Other Type Antigens in Herds Where the X-Antigen Occurs." Acta Vet Scand 1980.
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