Authors: Valtanen, S Roivainen, M Piirainen, L Stenvik, M Hovi, T

Citation: S. Valtanen et al., Poliovirus-specific intestinal antibody responses coincide with decline ofpoliovirus excretion, J INFEC DIS, 182(1), 2000, pp. 1-5

Authors: Piirainen, L Stenvik, M Roivainen, M Eskola, J Beuvery, EC Hovi, T

Citation: L. Piirainen et al., Randomised, controlled trial with the trypsin-modified inactivated poliovirus vaccine: assessment of intestinal immunity with live challenge virus, VACCINE, 17(9-10), 1999, pp. 1084-1090