High resolution carotid black-blood 3T MR with parallel imaging and dedicated 4-channel surface coils oleh Frey Ute, Clevert Dirk A, Dietrich Olaf, Meimarakis Georgios, Bochmann Katja, Cyran Clemens C, Raya Jose G, Saam Tobias, Yuan Chun, Hatsukami Thomas S, Werf Abe, Reiser Maximilian F, Nikolaou Konstantin