A single rostrocaudal colonization of the rodent intestine by enteric neuron precursors is revealed by the expression of Phox2b, Ret, and p75 and by explants grown under the kidney capsule or in organ culture - Young, H M; Hearn, C J; Ciampoli, D; Southwell, B R; Brunet, J F; Newgreen, D F (Dev Biol, 1998)