<chr_abbr type="reg" class="dc" expan="Qui" cert="no">Q-vbar</chr_abbr> to<chr_var letter="s" var="long">∫</chr_var> e<chr_var letter="s" var="long">∫</chr_var>toit <unclear reason="illegible">i</unclear>efu e<chr_var letter="s" var="long">∫</chr_var><chr_abbr type="reg" class="dc" expan="pri" cert="no">p-vbar</chr_abbr><chr_var letter="s" var="long">∫</chr_var> 