HealthcareEntityRelation Enum  
Type of relation. Examples include: DosageOfMedication or 'FrequencyOfMedication', etc.
Fields
| ABBREVIATION | 
| BODY_SITE_OF_CONDITION | 
| BODY_SITE_OF_TREATMENT | 
| COURSE_OF_CONDITION | 
| COURSE_OF_EXAMINATION | 
| COURSE_OF_MEDICATION | 
| COURSE_OF_TREATMENT | 
| DIRECTION_OF_BODY_STRUCTURE | 
| DIRECTION_OF_CONDITION | 
| DIRECTION_OF_EXAMINATION | 
| DIRECTION_OF_TREATMENT | 
| DOSAGE_OF_MEDICATION | 
| EXAMINATION_FINDS_CONDITION | 
| EXPRESSION_OF_GENE | 
| EXPRESSION_OF_VARIANT | 
| FORM_OF_MEDICATION | 
| FREQUENCY_OF_CONDITION | 
| FREQUENCY_OF_MEDICATION | 
| FREQUENCY_OF_TREATMENT | 
| MUTATION_TYPE_OF_GENE | 
| MUTATION_TYPE_OF_VARIANT | 
| QUALIFIER_OF_CONDITION | 
| RELATION_OF_EXAMINATION | 
| ROUTE_OF_MEDICATION | 
| SCALE_OF_CONDITION | 
| TIME_OF_CONDITION | 
| TIME_OF_EVENT | 
| TIME_OF_EXAMINATION | 
| TIME_OF_MEDICATION | 
| TIME_OF_TREATMENT | 
| UNIT_OF_CONDITION | 
| UNIT_OF_EXAMINATION | 
| VALUE_OF_CONDITION | 
| VALUE_OF_EXAMINATION | 
| VARIANT_OF_GENE |