@misc{indiciae4fd7cde3646c, title = {Classical conditioning, pseudoconditioning, or sensitization in the planarian.}, author = {A L Jacobson and S D Horowitz and C Fried}, year = {1967}, doi = {10.1037/h0024808}, url = {https://pubmed.ncbi.nlm.nih.gov/6064436/}, note = {Source identifier: 6064436} }