<div><img onLoad='miniSelfResize(contents_118,this); if(this.parentNode.tagName=="A"){this.onclick = "";}' src="download.php?id=enews&no=118&div=0&mode=1" border="0" /></div><br><div><img onLoad='miniSelfResize(contents_118,this); if(this.parentNode.tagName=="A"){this.onclick = "";}' src="download.php?id=enews&no=118&div=1&mode=1" border="0" /></div><br>The effect of human blood on the setting and surface micro-hardness of calcium silicate cements