@misc{indiciae30c902677b53, title = {A simple after image method demonstrating the involuntary multidirectional eye movements during fixation.}, author = {F J VERHEIJEN}, year = {1961}, doi = {10.1080/713826390}, url = {https://pubmed.ncbi.nlm.nih.gov/13925460/}, note = {Source identifier: 13925460} }