http://epifluorescencemicroscope.com/epifluorescence-microscope/methodology-for-immersion-marking-walleye-fry-and-fingerlings-in-oxytetracycline-hydrochloride-and-its-detection-with-fluorescence-microscopy/ All About Epifluorescence Microscope Sun, 23 Nov 2008 12:19:04 +0000 http://wordpress.org/?v=2.2.2