David L. Keegan

At Issue: Defining Treatment Refractoriness in Schizophrenia

H. D. Brenner, S. J. Dencker, Michael J. Goldstein et al. · Schizophrenia Bulletin · 1990 · 246 citations · Full text

Treatment Refractoriness, Psychiatry, Psychotic Disorder +14

Epinephrine and Norepinephrine Responses in Continuously Collected Human Plasma to a Series of Stressors

Marcia M. Ward, Ivan N. Mefford, Stanley D. Parker et al. · Psychosomatic Medicine · 1983 · 202 citations

Hypertension, Psychopharmacology, Social Sciences +21

III. Determination of plasma catecholamines and free 3, 4-dihydroxyphenylacetic acid in continuously collected human plasma by high performance liquid chromatography with electrochemical detection

Ivan N. Mefford, Marcia M. Ward, Laughton E. Miles et al. · Life Sciences · 1981 · 135 citations

Gas Chromatography, Medicine, Bioanalysis +10

Association of low serum anticholinergic levels and cognitive impairment in elderly presurgical patients

P. S. Miller, J. Scott Richardson, C A Jyu et al. · American Journal of Psychiatry · 1988 · 98 citations

Low-dose Scopolamine, Saskatoon Delirium Checklist, Healthy Elderly Patients +22

Neuroleptic malignant syndrome: case report and discussion.

Geethan Chandran, John Mikler, David L. Keegan · PubMed · 2003 · 91 citations · Full text

Neurological Disorder, Pharmacotherapy, Neuromas +17