title: Difference in susceptibility to benzylpenicillin between Yersinia enterocolitica and Yersinia pseudotuberculosis.
mesh_terms: D008826:Microbial Sensitivity Tests / Q000379:methods; D010400:Penicillin G / Q000494:pharmacology*; D010403:Penicillin Resistance; D010405:Penicillinase / Q000096:biosynthesis; D013045:Species Specificity; D015007:Yersinia / Q000187:drug effects* / Q000201:enzymology
chemical_list: D010405:Penicillinase; D010400:Penicillin G