FQL is a query language that allows you to retrieve, filter and project data from any data source containing FHIR Resources. It brings the power of three existing languages together: SQL, JSON and FhirPath. It allows you to create tables and is useful for gaining insight and perform quality control.
</meta>
</identifier>
</coding>
</type>
</coding>
</unit>
</source>
</parent>
</measurementPeriod>
</DeviceMetric>