keywords: dioxin yushchenko poisoning ukrainian blood
text: Blood tests show Ukrainian candidate has 6,000 times more dioxin &lt;b&gt;...&lt;/b&gt; New tests show that the blood of Viktor Yushchenko, a Ukrainian presidential candidate, contains the second-highest level of dioxin poisoning ever recorded in a human - more than 6,000 times the normal concentration, according to the expert analyzing the 