Source:http://linkedlifedata.com/resource/umls/id/C0010995
MSH: Systematic gathering of data for a particular purpose from various sources, including questionnaires, interviews, observation, existing records, and electronic devices. The process is usually preliminary to statistical analysis of the data.,CSP: gathering or assemblage of information (statistics or measurements) about a system, population, etc.; do not confuse with SAMPLE COLLECTION (PHYSICAL).