1 PRACE DOKTORSKIE - Szwecja 553,354 SULEMAN MBARUK ABDALLA Studies on stress in African green monkeys (Cercopithecus aethiops) : stress associated cortisol and prolactin levels, lymphocyte modulation and pathological changes in adrenal cortex, stomach and hippocampus in the African green monkey (C. aethiops) : [doctoral dissertation] / by Mbaruk Abdalla Suleman ; [Uppsala University]. - Uppsala : Acta Universitatis Upsaliem , 1998. - 50 s. : il., wykr. ; 25 cm. - (Comprehensive Summaries of Uppsala Dissertations from the Faculty of