1Department of Radiology, Thomas Jefferson University, Philadelphia, PA 19107-5541 USA.
2Department of Medicine, Thomas Jefferson University, Philadelphia, PA 19107-5541 USA.
3Department of Biochemistry and Molecular Pharmacology, Thomas Jefferson University, Philadelphia, PA 19107-5541 USA.
4Kimmel Cancer Center, Thomas Jefferson University, Philadelphia, PA 19107-5541 USA
VPAC1 Receptors, Human Breast Tumor Xenografts