title: Choice among the penicillins.
mesh_terms: D004355:Drug Stability; D006863:Hydrogen-Ion Concentration; D010403:Penicillin Resistance; D010406:Penicillins / Q000138:chemical synthesis / Q000633:toxicity; D011485:Protein Binding; D013329:Structure-Activity Relationship
chemical_list: D010406:Penicillins