radio button text show duplicate

<tr> <td class="style10"> <span class="style12"><strong>Course of Study</strong></span> </td> <td class="style6" colspan="4"> <span class="white">$Course of Study$ </span><span class="style2"></span>&nbsp; <asp:RadioButtonList ID="RBStudy" runat="server" RepeatDirection="Horizontal" Width="213px"> <asp:ListItem>MBBS</asp:ListItem> <asp:ListItem>MD </asp:ListItem> <asp:ListItem>MS </asp:ListItem> <asp:ListItem>MDS </asp:ListItem> </asp:RadioButtonList> </td> </tr> <tr> <td class="style10"> <span class="style12"><str ...