@misc{indiciae1e76f2def4cf, title = {Competitive fighting between mice with different hereditary backgrounds.}, author = {E FREDERICSON and E A BIRNBAUM}, year = {1954}, doi = {10.1080/00221325.1954.10532882}, url = {https://pubmed.ncbi.nlm.nih.gov/13221789/}, note = {Source identifier: 13221789} }