A set of data elements (system, component,
kind-of-property) common to a set of particular properties, e.g.
substance concentration of glucose in blood plasma. Information about identification, time and result is
not considered.
Source:
PAC, 1995, 67, 1563
(Properties and units in the clinical laboratory sciences-I. Syntax and semantic rules
(IUPAC-IFCC Recommendations 1995))
on page 1565