<ref xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:mml="http://www.w3.org/1998/Math/MathML" id="R21"><label>21</label><element-citation publication-type="journal"><person-group person-group-type="author"><name><surname>Gill</surname><given-names>AO</given-names></name><name><surname>Delaquis</surname><given-names>P</given-names></name><name><surname>Russo</surname><given-names>P</given-names></name><name><surname>Holley</surname><given-names>RA</given-names></name></person-group><article-title>Evaluation of antilisterial action of cilantro oil on vacuum packed ham</article-title><source>International Journal of Food Microbiology</source><year>2002</year><volume>73</volume><issue>1</issue><fpage>83</fpage><lpage>92</lpage><pub-id pub-id-type="pmid">11883677</pub-id></element-citation></ref>