Sweden international striker Elmander, 26, picked up the injury in the 28th minute of his team´s 3-1 defeat at the hands of Valenciennes in their opening game of the season.
Toulouse coach Elie Baup told www.lequipe.fr: "He did not want to take a risk so we took him off. But for this injury all we can do is wait. We will see how it progresses during the week."
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