@misc{indiciae22c02338e61f, title = {Visual dysfunction: abnormal sign of benign sphenoethmoidal lesions.}, author = {M Rifai and B Kenawi}, year = {1990}, doi = {10.1017/s0022215100112320}, url = {https://pubmed.ncbi.nlm.nih.gov/2341777/}, note = {Source identifier: 2341777} }