title: SEASONAL VARIATIONS IN SIGN AND STRENGTH OF GAMMA-TAXIS IN PLANARIANS.
mesh_terms: D000818:Animals; D002587:Cesium Isotopes; D005720:Gamma Rays; D006376:Helminths; D006801:Humans; D008124:Locomotion; D009949:Orientation; D010932:Planarians; D011830:Radiation Effects; D012106:Research; D012621:Seasons
chemical_list: D002587:Cesium Isotopes
keywords: CESIUM ISOTOPES; EXPERIMENTAL LAB STUDY; HELMINTHS; ORIENTATION; RADIATION EFFECTS; SEASONS