Search by Medical Condition A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Clinical Trials for Vertebral Artery Dissection Onabotulinum Toxin A (Botox) for the Treatment of Persistent Post-Stroke and Vascular Headache To Determine the Feasibility of a Clinical Trial Comparing Anticoagulants Versus Antiplatelets in the Acute Treatment of Patients With Cervical Artery Dissection