The cotton rat (Sigmodon hispidus) as an experimental model for studying viruses in human respiratory tract infections. I. Para-influenza virus type 1, 2 and 3, adenovirus type 5 and RS virus [article in Polish]. - Sadowski, W; Semkow, R; Wilczyński, J; Kruś, S; Kańtoch, M (Med Dosw Mikrobiol, 1987)