TY - RPRT TI - An icosahedral virus as a fluorescent calibration standard: methods for counting protein molecules in cells by fluorescence microscopy AU - Murray, J. PY - 2016 DO - 10.1101/088617 UR - https://www.biorxiv.org/content/10.1101/088617v1 ID - 10.1101/088617 ER -