...
Medication information via <substanceproduct>
Medication element <temporality>
Medication element <frequency>
Medication element <beginmoment>
Medication element <endmoment> xor <duration>
Medication element <regimen> xor <posology>
Medication element <route>
Medication element <instructionforpatient>
Medication element <instructionforoverdose>
Vitalink element <item> "healthcareelement"
...