Hematopoietic response of rats exposed to the impact of an acute psychophysiological stressor on responsiveness to an in vivo challenge with Listeria monocytogenes: modulation by Chlorella vulgaris prophylactic treatment - Queiroz, Julia de Souza; Torello, Cristiane Okuda; Palermo-Neto, João; Valadares, Marize Campos; Queiroz, Mary Luci de Souza (Brain, Behavior, and Immunity, 2008)