… Citation 11 In mammalian cells, a complex between cyclin E and cdk2 is central for
progression through G 1 . Quiescence signals such as the cytokine TGFβ, hormone withdrawal, …

Society of Neuroradiology, and the Foundation of the American Society of Neuroradiology
sponsored a series of working group meetings> 12 months, with the final meeting occurring …

✓ The International Cooperative Study on the Timing of Aneurysm Surgery evaluated the
results of surgical and medical management in 3521 patients between December, 1980, and …

Despite the frequent use of clinical rating scales in multicenter therapeutic stroke trials, no
generally acceptable method exists to train and certify investigators to use the instrument …

✓ A prospective, observational clinical trial was conducted by the International Cooperative
Study on the Timing of Aneurysm Surgery to determine the best time in relation to the …

Subarachnoid hemorrhage (SAH) is a common and often devastating occurrence; each
year approx-imately 30 000 Americans have nontraumatic SAH. 1 Despite considerable …

Longitudinal and multi-site clinical studies create the imperative to characterize and correct
technological sources of variance that limit image reproducibility in high-resolution structural …

Background: The National Institute of Neurological Disorders and Stroke (NINDS) rt-PA
Stroke Study showed a similar percentage of intracranial hemorrhage and good outcome in …

Objectives This report examines the frequency, type, and prognostic factors of medical (nonneurologic)
complications after subarachnoid hemorrhage in a large, prospective study. The …

Thrombolytic agents hold theoretical promise as therapy for cerebral infarction. This study
was designed to evaluate the safety of tissue plasminogen activator, to accomplish urgent …