Xu, J.; Matsuzaki, K.; McKeehan, K.; Wang, F.; Kan, M.; McKeehan, W.L.
Genomic structure and cloned cDNAs predict that four variants in the kinase domain of serine/threonine kinase receptors arise by alternative splicing and poly(A) addition (1994), Proc. Natl. Acad. Sci. USA, 91, 7957-7961.