Source:http://linkedlifedata.com/resource/umls/id/C0017270
MSH: The proportion of one particular in the total of all ALLELES for one genetic locus in a breeding POPULATION.,CSP: the relative occurrence of a specific allele at a given locus in a population, usually expressed in percent.,NCI: A description of the relative rate of occurrence of specific alleles, traits, or other factors within a population of organisms.