@misc{indiciae17bbd82445b6, title = {Differences between strains of rats in avoidance conditioning without an explicit warning stimulus.}, author = {V H SCHAEFER}, year = {1959}, doi = {10.1037/h0040058}, url = {https://pubmed.ncbi.nlm.nih.gov/13641481/}, note = {Source identifier: 13641481} }