document.write("<SCR"+"IPT src=\"http://syndicator.contentdirections.com/syndicator/dropdown_js.jsp?handle=10.1220/product4&menuCountBase=64\"></SCRIPT>");
document.write("<a href=\"http://dx.doi.org/10.1220/product4\" onmouseover=\"HM_f_PopUp('elMenu65',event)\" onmouseout=\"HM_f_PopDown('elMenu65')\">HDL: 10.1220/product4</a>");