Mosaic reconstruction imaged using spinning disk confocal microscopy of a
flat mount of retina showing retinal ganglion cells retrogradely
labeled via fluorogold injection into the superior colliculus in an
adult equivalent wild type mouse (Nf1 flox/flox on C57BL/6 background).
Details may be found in Kim et al., Neuroscience. 2010 Sep
29;170(1):178-88.