00372nam a2200121Ia 4500008004100000245010900041260001700150260000900167300000900176650002300185650001200208856003000220170516s9999    xx            000 0 und d  aActive-target T1-weighted MR Imaging of Tiny Hepatic Tumor via RGD Modified Ultra-small Fe3O4 Nanoprobes  bTheranostics  c2016  a6:11  xMedical Technology  xMedtech  uhttp://www.thno.org/v6i11