Pengaruh Pajanan Static Magnetic Field terhadap Ekspresi Protein Dipeptydil Peptidase 4, Gen Caveolin-1 dan Glut4 pada Mencit Obes = Effect Of Static Magnetic Field Exposure on the Expression Of Dipeptidyl Peptidase 4 Protein, Caveolin-1, and Glut4 Genes in Obese Mice