<html><head></head><body><div style="color:#000; background-color:#fff; font-family:Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px"><div id="yiv3872988083"><div id="yui_3_16_0_ym19_1_1499102051428_19181"><div style="color:#000;background-color:#fff;font-family:Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px;" id="yui_3_16_0_ym19_1_1499102051428_19180"><div style="margin-top:0px;margin-bottom:0px;font-family:Calibri, Helvetica, sans-serif, serif, EmojiFont;" id="yiv3872988083yui_3_16_0_ym19_1_1499097113527_2516">Hi Gate-Users<br></div><div style="margin-top:0px;margin-bottom:0px;font-family:Calibri, Helvetica, sans-serif, serif, EmojiFont;" id="yiv3872988083yui_3_16_0_ym19_1_1499097113527_2516"><br></div><div style="margin-top:0px;margin-bottom:0px;font-family:Calibri, Helvetica, sans-serif, serif, EmojiFont;" id="yiv3872988083yui_3_16_0_ym19_1_1499097113527_2519" dir="ltr">Please, I want to define technetium-94 source as a high energy gamma source for PET simulation. Can anyone help me?</div><div style="margin-top:0px;margin-bottom:0px;font-family:Calibri, Helvetica, sans-serif, serif, EmojiFont;" id="yiv3872988083yui_3_16_0_ym19_1_1499097113527_2519" dir="ltr"><br></div><div style="margin-top:0px;margin-bottom:0px;font-family:Calibri, Helvetica, sans-serif, serif, EmojiFont;" id="yiv3872988083yui_3_16_0_ym19_1_1499097113527_2519" dir="ltr">Thanks</div><div style="margin-top:0px;margin-bottom:0px;font-family:Calibri, Helvetica, sans-serif, serif, EmojiFont;" id="yiv3872988083yui_3_16_0_ym19_1_1499097113527_2520"><br id="yiv3872988083yui_3_16_0_ym19_1_1499097113527_2521"></div><div style="margin-top:0px;margin-bottom:0px;font-family:Calibri, Helvetica, sans-serif, serif, EmojiFont;" id="yiv3872988083yui_3_16_0_ym19_1_1499097113527_2522">Agyapong Jeffery</div><div style="margin-top:0px;margin-bottom:0px;font-family:Calibri, Helvetica, sans-serif, serif, EmojiFont;" id="yiv3872988083yui_3_16_0_ym19_1_1499097113527_2523">Aberdeen University</div><div style="margin-top:0px;margin-bottom:0px;font-family:Calibri, Helvetica, sans-serif, serif, EmojiFont;" dir="ltr" id="yiv3872988083yui_3_16_0_ym19_1_1499097113527_2524">student or Postgrad</div></div></div></div></div></body></html>