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)
Arikawa
K
K
Ozaki
K
K
Tsuda
T
T
Kitamoto
J
J
Mishina
Y
Y