C e<chr_var letter="s" var="long">∫</chr_var>t en m<chr_abbr type="reg" class="dc" expan="on" cert="no">o-hbar</chr_abbr> o<chr_var letter="s" var="long">∫</chr_var>tel mai<chr_var letter="s" var="long">∫</chr_var> elm<chr_abbr type="reg" class="dc" expan="ine" cert="no">ie-hbar</chr_abbr> 