TY - RPRT TI - A localized pattern photobleaching method for the concurrent analysis of rapid and slow diffusion processes. AU - D E Koppel AU - M P Sheetz PY - 1983 DO - 10.1016/s0006-3495(83)84338-0 UR - https://pubmed.ncbi.nlm.nih.gov/6616006/ ID - 6616006 ER -