He said the patients, who were hospitalized Monday with suspected polonium-210 poisoning, "are fine, but are suffering from serious psychological stress," adding that final results of the examination will be known in four to five days.
Businessman Dmitry Kovtun met with defector Alexander Litvinenko around the time of his poisoning at the beginning of November. Litvinenko, an outspoken critic of President Vladimir Putin's administration and a close associate of fugitive oligarch Boris Berezovsky, died in a London hospital November 23 after four days in a critical condition.
The German doctor said insignificant traces of radiation might be found in the organisms of the patients later.
He said, however, he does not expect such traces will be found, adding that German doctors have not dealt with polonium-210 before.
