TY - RPRT TI - Mice show strain differences in social affiliation. Implications for open field behavior. AU - J O Pieper AU - D C Forester AU - G I Elmer PY - 1997 DO - 10.1111/j.1749-6632.1997.tb51966.x UR - https://pubmed.ncbi.nlm.nih.gov/9071396/ ID - 9071396 ER -