TY - RPRT TI - Fluorescence microscopy with diffraction resolution barrier broken by stimulated emission. AU - T A Klar AU - S Jakobs AU - M Dyba AU - A Egner AU - S W Hell PY - 2000 DO - 10.1073/pnas.97.15.8206 UR - https://pubmed.ncbi.nlm.nih.gov/10899992/ ID - 10899992 ER -