title: Effects of sublethal concentrations of penicillin G on groups C, E, K, and L streptococci.
mesh_terms: D004589:Electrophoresis, Disc; D005455:Fluorescent Antibody Technique; D007106:Immune Sera; D007962:Leukocytes; D010400:Penicillin G / Q000494:pharmacology*; D010587:Phagocytosis; D013291:Streptococcus / Q000187:drug effects*
chemical_list: D007106:Immune Sera; D010400:Penicillin G