Jensen, N. E., & Berg, B. (1980). Variation of type Antigens of Group-B Streptococci: II. Studies on the in-Vitro Variation of the X-Antigen and Other type Antigens. Acta Vet Scand.
Dyfyniad Arddull ChicagoJensen, Niels Einar, and Burghild Berg. "Variation of Type Antigens of Group-B Streptococci: II. Studies On the In-Vitro Variation of the X-Antigen and Other Type Antigens." Acta Vet Scand 1980.
Dyfyniad MLAJensen, Niels Einar, and Burghild Berg. "Variation of Type Antigens of Group-B Streptococci: II. Studies On the In-Vitro Variation of the X-Antigen and Other Type Antigens." Acta Vet Scand 1980.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.