Cyclic Presence and Absence of Conspecifics Alters Circadian Clock Phase But Does Not Entrain the Locomotor Activity Rhythm of the Fruit Fly Drosophila melanogaster. - Lone, Shahnaz Rahman; Sadanandappa, Madhumala K.; Sharma, Vijay Kumar (Chronobiology International: The Journal of Biological & Medical Rhythm Research, 2011)