a filamentous capsulated streptococcus reacting with antisera to filamentous streptococci of both provisional capsular types 83 and 89 has been found to produce two capsular polysaccharides , each of which reacts with antibody to one of the aforementioned unitypic strains and represents an unusual binary capsulated streptococcus .
C0020960
antisera
C0003241
antibody