Brown, J. H. (1939). Double-Zone Beta-Hemolytic Streptococci: Their Cultural Characteristics, Serological Grouping, Occurrence and Pathogenic Significance.
Dyfyniad Arddull ChicagoBrown, J. Howard. Double-Zone Beta-Hemolytic Streptococci: Their Cultural Characteristics, Serological Grouping, Occurrence and Pathogenic Significance. 1939.
Dyfyniad MLABrown, J. Howard. Double-Zone Beta-Hemolytic Streptococci: Their Cultural Characteristics, Serological Grouping, Occurrence and Pathogenic Significance. 1939.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.