Source:http://linkedlifedata.com/resource/umls/id/C0001566
MSH: The application of drug preparations to the surfaces of the body, especially the skin (ADMINISTRATION, CUTANEOUS) or mucous membranes. This method of treatment is used to avoid systemic side effects when high doses are required at a localized area or as an alternative systemic administration route, to avoid hepatic processing for example.,CSP: drug applied to a particular surface area, usually affecting only the area to which it is applied.