Micro-SPECT/CT with <sup>111</sup>In-DTPA-Pertuzumab Sensitively Detects Trastuzumab-Mediated <i>HER2</i> Downregulation and Tumor Response in Athymic Mice Bearing MDA-MB-361 Human Breast Cancer XenograftsKristin McLarty, Raymond M. Reilly|Journal of Nuclear Medicine|2009Cited by 77