@misc{indiciae1c47c1c40ee9, title = {Approach-avoidance responses to visual stimuli in frogs.}, author = {R Biersner and R Melzack}, year = {1966}, doi = {10.1016/0014-4886(66)90139-7}, url = {https://pubmed.ncbi.nlm.nih.gov/5911099/}, note = {Source identifier: 5911099} }