L. Direnfeld

Cerebrospinal fluid levels of angiotensin- converting enzyme, acetylcholinesterase, and dopamine metabolites in dementia associated with Alzheimer's disease and Parkinson's disease: A correlative study

R. Nixon, L. Volicer, P. Langlais, 1986, Biological Psychiatry.

CSF cyclic nucleotides and somatostatin in Parkinson's disease

M. Albert, M. Beal, L. Volicer, 1986, Neurology.

Cholinesterase activity in plasma, erythrocytes, and cerebrospinal fluid of patients with dementia of the Alzheimer type

M. Freedman, L. Volicer, J. Marquis, 1985, Biological Psychiatry.

Cognitive fluctuations associated with on‐off phenomenon in Parkinson disease

E. Kaplan, D. Delis, M. Alexander, 1982, Neurology.

Is L‐DOPA drug holiday useful?

M. Alexander, M. Kelly-Hayes, R. Feldman, 1980, Neurology.