Pasalic, I., Bosnjak, B., Ivetic Tkalcevic, V. et al. 2011. Cage enrichment with paper tissue, but not plastic tunnels, increases variability in mouse model of asthma. Laboratory Animals 45(2), 121-123.
Environmental enrichment, besides having a great impact on animal welfare, can also be a potential variable in experimental research. Thus, we investigated whether enrichment of cages with paper tissues or plastic tunnels affects scientific outcome...