Chicago opened a 13-point lead early in the fourth quarter and easily held on to win for the 10th time in 12 games. The Bulls have won three more contests than any other team in the Eastern Conference.
Rose's previous season high had been 31 points, produced Jan. 10 against Minnesota.
The Bucks began what will be a long stretch of games without center Andrew Bogut, who suffered a fractured ankle Wednesday against Houston. He is expected to miss at least two months.
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