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. Author manuscript; available in PMC: 2021 Apr 1.
Published in final edited form as: Environ Res. 2020 Feb 17;183:109242. doi: 10.1016/j.envres.2020.109242

Figure 4.

Figure 4.

Mean ± SEM social play observations from scan sampling (A) and total allogrooming duration (B) during a one hour observation of juveniles in same treatment cages of three juvenile littermate males (n=6).