HL7 Document Patient Record Architecture: An XML Document Architecture Based on a Shared Information Model - Dolin, RH; Alschuler, L; Behlen, F; Biron, PV; Boyer, S; Essin, D; Harding, L; Lincoln, T; Mattison, JE; Rishel, W; Sokolowski, R; Spinosa, J; Williams, JP (1999)
Proc AMIA Symp