THE HAGUE, Netherlands - A Dutch toxicologist confirmed Monday that he found traces of a non-prescribed drug in a blood sample taken from former Yugoslav President Slobodan Milosevic earlier this year. Donald Uges said he was asked to examine the sample after Milosevic's blood pressure failed to respond to medication given by doctors at the U.N. detention center...Uges said he found traces of rifampicin, a drug that could have reduced the effectiveness of his other medications...[snip] ...Tomanovic said Milosevic was "seriously concerned" he was being poisoned...He cited a Jan. 12 Dutch medical report which showed traces of medication used against...