Kuo, D.-H.D.-H.KuoShankland, M.M.ShanklandDIAN-HAN KUO2018-09-102018-09-102004http://www.scopus.com/inward/record.url?eid=2-s2.0-12344281564&partnerID=MN8TOARShttp://scholars.lib.ntu.edu.tw/handle/123456789/307507Evolutionary deversification of specification mechanisms within the O/P equivalence group of the leech genus Helobdellajournal article10.1242/dev.01452