title: Differences in sensitivity to penicillin between strains of Streptococcus thermophilus [proceedings].
mesh_terms: D001435:Bacteriophages; D010400:Penicillin G / Q000494:pharmacology*; D013045:Species Specificity; D013291:Streptococcus / Q000187:drug effects*
chemical_list: D010400:Penicillin G