Units of measure in clinical information systems.
The authors surveyed existing standard codes for units of measures, such as ISO 2955, ANSI X3.50, and Health Level 7's ISO+. Because these standards specify only the character representation of units, the authors developed a semantic model for units based on dimensional analysis. Through this model, conversion between units and calculations with dimensioned quantities become as simple as calculating with numbers. All atomic symbols for prefixes and units are defined [...]
Author(s): Schadow, G, McDonald, C J, Suico, J G, Föhring, U, Tolxdorff, T
DOI: 10.1136/jamia.1999.0060151