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Development and distribution of cysts of an avirulent strain of Toxoplasma and the humoral immune response in mice
(1990)
An avirulent T. gondii strain isolated from a owl (Glaucidium brasilúmum) produces randomIy distributed cysts in the brain of mice which can survive to inocula as high as lOOO oocysts. Cysts appeared for !he first time ...
Distribution and reproduction of Ambidexter panamense and Palaemonetes schmitti in Pacific Costa Rica (Crustacea, Decapoda)
(1990)
Este constituye el primer registro de las especies de carídeos P. schmitti y A. panamense para Costa Rica. Adultos de ambas especies fueron colectados en el estero de Punta Morales, Golfo de Nicoya, de enero a diciembre ...