Molecular characterization of NSCL, a gene encoding a helix-loop-helix protein expressed in the developing nervous system. - Begley,C.G.; Lipkowitz,S.; Gobel,V.; Mahon,K.A.; Bertness,V.; Green,A.R.; Gough,N.M.; Kirsch,I.R. (Proc Natl Acad Sci U S A, 1992)