TY - GEN AU - Kruuse,Christina AU - Thomsen,Lars Lykke AU - Birk,Steffen AU - Olesen,Jes TI - Migraine can be induced by sildenafil without changes in middle cerebral artery diameter SN - 0006-8950 PY - 2003///0320 KW - 3',5'-Cyclic-GMP Phosphodiesterases KW - Adult KW - Blood Flow Velocity KW - drug effects KW - Cross-Over Studies KW - Cyclic Nucleotide Phosphodiesterases, Type 5 KW - Double-Blind Method KW - Female KW - Headache KW - chemically induced KW - Heart Rate KW - Humans KW - Male KW - Middle Cerebral Artery KW - diagnostic imaging KW - Migraine Disorders KW - Phosphodiesterase Inhibitors KW - Phosphoric Diester Hydrolases KW - Piperazines KW - Purines KW - Radial Artery KW - Sildenafil Citrate KW - Sulfones KW - Temporal Arteries KW - Tomography, Emission-Computed, Single-Photon KW - Ultrasonography, Doppler N1 - Publication Type: Clinical Trial; Journal Article; Randomized Controlled Trial; Research Support, Non-U.S. Gov't UR - https://doi.org/10.1093/brain/awg009 ER -