Source:http://linkedlifedata.com/resource/umls/id/C0009462
CSP: interacting population of individuals in a common location; a group of people with a common characteristic or interest living together within a larger society.,OMS: The individuals and/or families who comprise a group, neighborhood, or other geographic district that experience a health-related problem.,NCI: A set of people with some shared element. The substance of shared element varies widely, from geography to a situation to interest to lives and values. The term is widely used to evoke sense of collectivity.