Chelsea midfielder Michael Ballack is still "a few weeks" away from returning to training, according to Germany team doctor Hans-Wilhelm Muller-Wohlfahrt.Ballack has been out of action since April with a persistent ankle problem but Germany general manager Oliver Bierhoff had predicted the Chelsea midfielder would be back in training "within 10 days".However, Bayern Munich and Germany team doctor Muller-Wohlfahrt said: "In close agreement with the English doctors, I think he will be training again in the foreseeable future."
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