Methylphenidate did not result in any raises in tumors in a very life time carcinogenicity analyze performed in F344 rats; the best dose employed was somewhere around 45 mg/kg/working day, which can be about 22 moments and five moments the maximum encouraged human dose on a mg/kg and mg/m2 basis, respectively.Li?u dùng có th? s? thay ??i tùy the