Noninvasive imaging of in vivo blood flow velocity using optical Doppler tomography Chen, Zhongping ; Milner, Thomas E. ; Srinivas, Shyam ; Wang, Xiaojun ; Malekafzali, Arash ; van Gemert, Martin J. C. ; Nelson, J. Stuart Abstract Publication: Optics Letters Pub Date: July 1997 DOI: 10.1364/OL.22.001119 Bibcode: 1997OptL...22.1119C