1.
Oxygen sensation and social feeding mediated by a C. elegans guanylate cyclase homologue
by Marletta, Michael A
Nature, 2004-07-15, Vol.430 (6997), p.317-322

2.
Overview of the Alliance for Cellular Signaling
by Gilman, Alfred G
Nature (London), 2002-12-12, Vol.420 (6916), p.703-706
