Source:http://linkedlifedata.com/resource/umls/id/C1519671
NCI: A repository of biospecimens - including tissue samples, fluids such as blood, serum and urine, and molecular derivatives such as DNA, RNA and proteins pertaining to cancer research. The repository has stringent guidelines regarding the standardized collection, handling, storage and documentation of biological specimens. These guidelines enable an extensive system for specimen storage that allows for the accurate establishment of disease incidences over long periods of time.