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Stieger, Binia; Schweinfurth, Manon K; Taborsky, Michael (2017). Reciprocal allogrooming among unrelated Norway rats (Rattus norvegicus) is affected by previously received cooperative, affiliative and aggressive behaviours. Behavioral ecology and sociobiology, 71(12) Springer-Verlag 10.1007/s00265-017-2406-1
