PT - JOURNAL ARTICLE AU - J. Szapiro AU - H. Pakula TI - Anatomical studies of the collateral blood supply to the brain and the retina AID - 10.1136/jnnp.26.5.414 DP - 1963 Oct 01 TA - Journal of Neurology, Neurosurgery & Psychiatry PG - 414--417 VI - 26 IP - 5 4099 - http://jnnp.bmj.com/content/26/5/414.short 4100 - http://jnnp.bmj.com/content/26/5/414.full SO - J Neurol Neurosurg Psychiatry1963 Oct 01; 26