In vivo imaging of proteolytic enzyme activity using a novel molecular reporter.Ching‐Hsuan Tung, Ralph Weissleder, Umar Mahmood et al.|PubMed|2000Cited by 350
Optical Imaging of Matrix Metalloproteinase–2 Activity in Tumors: Feasibility Study in a Mouse ModelChristoph Bremer, Ching‐Hsuan Tung, Umar Mahmood et al.|Radiology|2001Cited by 255
Preparation of a Cathepsin D Sensitive Near-Infrared Fluorescence Probe for ImagingChing‐Hsuan Tung, Ralph Weissleder, Sebastian Bredow et al.|Bioconjugate Chemistry|1999Cited by 214