title: Persistent photoperiodic effects on immunological responsiveness: shedding light on immunity.
authors.forename: Gregory E
authors.initials: GE
authors.lastname: Demas
mesh_terms: D000818:Animals; D007109:Immunity / Q000502:physiology* / Q000528:radiation effects*; D007156:Immunologic Memory / Q000502:physiology / Q000528:radiation effects; D017440:Photoperiod