1. Structures and actions of neuropeptides isolated from an echuroid worm, Urechis unicinctus;Ikeda,1991
2. Bioactive substances in nerve-cord extracts from an echiuroid, Urechis unicinctus—I. Amine-like substances;Ikeda;Comp. Biochem. Physiol.,1989
3. Modulatory actions of octopamine and serotonin on the contraction of buccal muscles in Rapana thomasiana—I. Enhancement of contraction in radula protractor;Kobayashi;Comp. Biochem. Physiol.,1980
4. A molluscan neuropeptide related to the crustacean hormone, RPCH;Kuroki;Biochem. biophvs. Res. Commun.,1990
5. Mechanical responses of the body wall strips of an echiuroid worm, Urechis unicinctus, to electrical stimulation, chorinergic agents and amino acids;Muneoka;Comp. Biochem. Physiol.,1981