TY - GEN AU - Dewan,Mohit A AU - Harrison,Andrew R AU - Lee,Michael S TI - False-negative apraclonidine testing in acute Horner syndrome SN - 0008-4182 PY - 2009///0323 KW - Acute Disease KW - Adrenergic alpha-Agonists KW - Anisocoria KW - physiopathology KW - Carotid Artery, Internal, Dissection KW - diagnosis KW - Clonidine KW - analogs & derivatives KW - Cocaine KW - False Negative Reactions KW - Female KW - Horner Syndrome KW - Humans KW - Magnetic Resonance Imaging KW - Middle Aged KW - Predictive Value of Tests KW - Pupil KW - drug effects KW - Vasoconstrictor Agents N1 - Publication Type: Case Reports; Letter UR - https://doi.org/10.3129/i08-162 ER -