Development of an H&E on-block staining technique for collagen detection in cryo-fluorescence tomography imaging of frozen breast tissue samples - Erin P. Snoddy; Tien T. Tang; Natalie Fowlkes; Thomas Huynh; Kari J. Brewer Savannah; Alejandro Contreras; Gregory Reece; Kristy K. Brock (PLoS ONE)