title: [Introduction of MRC and the Maintenance Engineer Authorization System].
authors.forename: Takumi
authors.initials: T
authors.lastname: Mutou
mesh_terms: D007564:Japan; D008284:Maintenance and Engineering, Hospital / Q000592:standards; D012449:Safety / Q000592:standards; D013679:Technology, Radiologic / Q000193:education / Q000592:standards*