Genetic analysis of growth cone guidance at the midline in Drosophila: Expression and function of D-netrin. - Mitchell, K.J.; Doyle, J.; Tear, G.; Serafini, T.; Kennedy, T.E.; Mirzyan, C.; Tessier-Lavigne, M.; Goodman, C.S. (Abstracts - Society for Neuroscience, 1994)