<chr_abbr type="reg" class="dc" expan="Que" cert="no">Q-hbar</chr_abbr> lor bn<chr_abbr type="" class="" expan="" cert="no">[apost]</chr_abbr>e<chr_var letter="s" var="long">∫</chr_var> face a anbe<chr_var letter="s" var="long">∫</chr_var> del<chr_var letter="s" var="long">∫</chr_var> 