<chr_abbr type="reg" class="dc" expan="Qui" cert="no">Q-vbar</chr_abbr> b<chr_abbr type="reg" class="dc" expan="" cert="no">n-hbar</chr_abbr> orent ueu <chr_abbr type="reg" class="ss" expan="com" cert="no">com</chr_abbr><chr_abbr type="reg" class="dc" expan="" cert="no">mt-hbar</chr_abbr> 