Effects of varied photoperiods on rhythmic activity of thyroid gland in a teleost, Mystus vittatus (Bloch).
D000818:Animals; D002940:Circadian Rhythm; D005399:Fishes; D007456:Iodine Isotopes; D008027:Light; D010507:Periodicity; D012621:Seasons; D013961:Thyroid Gland / Q000502:physiology*
D007456:Iodine Isotopes