January 25th, 2013 
Matt Loede 
Posted in The 49ers on Thursday practiced without starting outside linebacker Ahmad Brooks (shoulder). Outside linebacker Aldon Smith (shoulder) and cornerback Tarell Brown (shoulder) were limited Thursday.
Five starters on the injury report fully participated: inside linebackers Patrick Willis (shoulder) and Navorro Bowman (shoulder), running back Frank Gore (ankle/shoulder), defensive end Justin Smith (elbow/triceps) and left guard Mike Iupati (shoulder).
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