Antigenic relationship between pneumococci and non-hemolytic streptococci.
D000906:Antibodies; D000941:Antigens; D006801:Humans; D013290:Streptococcal Infections; D013291:Streptococcus; D013296:Streptococcus pneumoniae
D000906:Antibodies; D000941:Antigens
ANTIGENS AND ANTIBODIES; PNEUMOCOCCI; STREPTOCOCCI