ESTABLISHMENT OF METHYLMALONYL COA MUTASE ACTIVITY MEASUREMENT WITH LYMPHOCYTE BY HPLC Nasu T 1 , Maeda Y 1 , Ito T 2 , Nakajima Y 2 , Tajima G 3 , Kato S 2 , Kurono Y 1 , Kimura K 1 , Sugiyama N 4 1 Dept Hosp Pharm, Nagoya City Univ, Nagoya, Japan 2 Dept Ped, Nagoya City Univ, Nagoya, Japan 3 Dept Ped, Hiroshima Univ, Hiroshima, Japan 4 Dept Ped, Aichi-Gakuin Univ, Nagoya, Japan