title: Observations on antibiotic coaction of gramicidin and penicillin on streptococci and staphylococci in vitro.
mesh_terms: D000900:Anti-Bacterial Agents; D006096:Gramicidin; D066298:In Vitro Techniques; D010406:Penicillins; D013203:Staphylococcal Infections / Q000208:ethnology*; D013210:Staphylococcus / Q000208:ethnology*; D013290:Streptococcal Infections / Q000208:ethnology*; D013291:Streptococcus / Q000208:ethnology*
chemical_list: D000900:Anti-Bacterial Agents; D010406:Penicillins; D006096:Gramicidin
keywords: STAPHYLOCOCCI/culture; STREPTOCOCCI/culture