has_cause_of
Use it like this:
- [ #has/_cause_of :: MedicalEntity ] or
- [ has_cause_of :: MedicalEntity ]
The condition, complication, symptom, sign, etc. caused.
Relation describes that: [ #has_/domain :: MedicalCause ] ( #has_/name :: has_cause_of ) ( #has_/range :: MedicalEntity )