Õkva, K., Lang, A., Nevalainen, T., Mauranen, K., Väli, M. and Pokk, P. (2008) “Effects of Litter Origin and Weight on Behaviour of Outbred NIH/S Mice in Plus-maze and Staircase Tests”, Scandinavian Journal of Laboratory Animal Science, 35(2), pp. 127–134. doi: 10.23675/sjlas.v35i2.138.