@article {3910, title = {More than numbers matter: The effect of social factors on behaviour and welfare of laboratory rodents and non-human primates}, journal = {Applied Animal Behaviour Science}, volume = {103}, year = {2007}, note = {Cited By (since 1996): 27Export Date: 18 March 2013Source: Scopus}, month = {2007///}, pages = {229 - 254}, url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-33847122924\&partnerID=40\&md5=6f5825ce6989591fde20b64babb11408}, author = {Olsson, I.A.S. and Westlund, K.} }