Merkul'eva N S, Makarov F N, Krasnoshchekova E, Shelepin Yu E
Neuromorphology Laboratory, Visual Physiology Laboratory, I. P. Pavlov Institute of Physiology, 6 Makarov Bank, 199034 St. Petersburg, Russia.
Neurosci Behav Physiol. 2005 May;35(4):443-5. doi: 10.1007/s11055-005-0045-x.