Russian experts will complete radiological examination of the remains of late Palestinian leader Yasser Arafat by year-end, head of the Federal Medical-Biological Agency Vladimir Uiba said.Although the immediate cause of Arafat\'s death in Paris in 2004 was a stroke, reports later emerged suggesting that the former Palestinian leader could have been poisoned with polonium-210.Arafat\'s widow, Suha, urged to launch an investigation into the issue to determine the real cause of her husband\'s death, the Voice of Russia reported.