Source:http://linkedlifedata.com/resource/umls/id/C0002780
MSH: A statistical technique that isolates and assesses the contributions of categorical independent variables to variation in the mean of a continuous dependent variable.,NCI: A statistical technique which helps in making inference whether three or more samples might come from populations having the same mean; specifically, whether the differences among the samples might be caused by chance variation. (Statistics.com Glossary)