<i>tinman</i>, a <i>Drosophila</i> homeobox gene required for heart and visceral mesoderm specification, may be represented by a family of genes in vertebrates: <i>XNkx-2</i>.<i>3</i>, a second vertebrate homologue of <i>tinman</i>Sylvia Μ. Evans, Nancy Papalopulu, Wei Yan et al.|Development|1995Cited by 125