@misc{indiciae797faf07e068, title = {Covert vision sign.}, author = {M Brázdil and R Kuba and P Daniel and D Sochůrková and M Dobsík and I Rektor}, year = {2002}, doi = {10.1046/j.1468-1331.2002.t01-2-00389.x}, url = {https://pubmed.ncbi.nlm.nih.gov/11985645/}, note = {Source identifier: 11985645} }