TY - RPRT TI - Does social environment decrease propensity to fight in male mice? AU - J N Crawley AU - W M Schleidt AU - J F Contrera PY - 1975 DO - 10.1016/s0091-6773(75)92105-7 UR - https://pubmed.ncbi.nlm.nih.gov/1237289/ ID - 1237289 ER -