How mobile health relates to #HL7 standards. #mHealth
Principles of Health Interoperability HL7 and SNOMED (Health Information Technology Standards)/Tim Benson
History of HL7
The HL7 Message Development Framework
HL7 Tools Tactical Steps
The ZLR segment must follow each OBR (Observation Request) segment, and there can only be one ZLR per OBR.
HL7 version evolution
The PCG Platform Interface / HL7 Engine