Reference

Vladimir S. Mashanov, Olga R. Zueva, Thomas Heinzeller, Beate Aschauer, Wilfried W. Naumann, Jesus M. Grondona, Manuel Cifuentes, Jose E. Garcia-Arraras (2009): The central nervous system of sea cucumbers (Echinodermata: Holothuroidea) shows positive immunostaining for a chordate glial secretion – Frontiers in Zoology – 2009: 0001-11-0015.