Source:http://linkedlifedata.com/resource/umls/id/C0035654
MSH: An antibiotic mixture of two components, A and B, obtained from Nocardia lurida (or the same substance produced by any other means). It is no longer used clinically because of its toxicity. It causes platelet agglutination and blood coagulation and is used to assay those functions in vitro.,CSP: antibiotic substances produced by the fermentation of Nocardia lurida; formerly used in treatment of severe staphylococcal infections resistant to other antibiotics; causes platelet agglutination and blood coagulation.