- Cerebral blood flow during delirium tremens and related clinical states studied with xenon-133 inhalation tomography. Hemmingsen, R., Vorstrup, S., Clemmesen, L., Holm, S., Tfelt-Hansen, P., Sørensen, A.S., Hansen, C., Sommer, W., Bolwig, T.G. The American journal of psychiatry. (1988)