title: Retraction of paper: Two visual pigment opsins, one expressed in the dorsal region and another in the dorsal and the ventral regions, of the compound eye of a dragonfly, Sympetrum frequens (Invertebrate Neuroscience,1,33-39,1995)
authors.forename: K
authors.initials: K
authors.lastname: Arikawa
authors.forename: K
authors.initials: K
authors.lastname: Ozaki
authors.forename: T
authors.initials: T
authors.lastname: Tsuda
authors.forename: J
authors.initials: J
authors.lastname: Kitamoto
authors.forename: Y
authors.initials: Y
authors.lastname: Mishina