Archival storage of clinical laboratory data.
This paper describes a data-base system for the maintenance of  cumulative clinical data. A unique aspect of this data base is its ability dynamically to alter its two-level format to create an alternative three-level hierarchical structure in order to optimize retrieval efficiency. The relative advantages of these two types of data-base structures are discussed and examples of their use in clinical resrarch are presented.
D002624:Chemistry, Clinical; D003201:Computers; D006753:Hospital Records; D006801:Humans; D007256:Information Systems