But in February 2005 , the British scientific journal Nature published an article in which the Teikyo University DNA analyst who did the tests , Tomio Yoshii , acknowledged that the results could be inconclusive .
The Japanese government tested them and claims they are not .
In February 2005 , the British scientific journal Nature published an article in which the Teikyo University DNA analyst who did the tests , Tomio Yoshii , acknowledged that the results could be inconclusive .
The Japanese government tested them and claims they are not .