<?xml version="1.0" encoding="UTF-8"?><SearchParameter xmlns="http://hl7.org/fhir"><id value="observation-genetics-cg-prf-1a-Observation-amino-acid-change"/><url value="http://hl7.org/fhir/SearchParameter/observation-genetics-cg-prf-1a-Observation-amino-acid-change"/><name value="amino-acid-change"/><code value="amino-acid-change"/><base value="Observation"/><type value="string"/><description value="HGVS Protein Change"/><xpathUsage value="normal"/></SearchParameter>