<chr_abbr type="reg" class="dc" expan="Q1ri" cert="no">Q1-vbar</chr_abbr> pan<chr_var letter="s" var="long">∫</chr_var>e <chr_abbr type="frq" class="ss" expan="et" cert="yes">et1</chr_abbr> dit an<chr_var letter="s" var="long">∫</chr_var><chr_abbr type="reg" class="dc" expan="on" cert="no">o-hbar</chr_abbr> corage 