Fire Arrow ServerREST APIPOST: /SubstanceSourceMaterial/$hapi.fhir.undo-mergePOST: /SubstanceSourceMaterial/$hapi.fhir.undo-merge POST /SubstanceSourceMaterial/$hapi.fhir.undo-merge POST: /SubstanceSourceMaterial/$hapi.fhir.undo-merge Request Responses200Success