Background Although serotonin has been postulated as an etiologic agent in the development
of carcinoid heart disease, no direct evidence for different ambient serotonin levels in …

Using a highly specific radioenzymatic assay we determined the serotonin concentration in
80 types of foods. The following fruits had a high serotonin concentration (mean ± SEM) …

From 1970 until 1990, 8,958 cases of primary carcinoma of the lung were diagnosed at the
Duke University Medical Center. During the same period, 126 patients (mean age, 53 ± 13 …

In this report we review the pharmacology of the hypoglycemic sulfonylurea drugs. The
early work with sulfonylureas is briefly described. The pharmacokinetics of first-generation …

The plasma concentrations of neuropeptides (neurotensin, substance P, motilin, somatostatin,
vasoactive intestinal peptide and gastrin-releasing peptide), the urinary excretion of 5-…

INTRODUCTION: Iodine 131–meta-iodobenzylguanidine ( 131 I-MIBG) has been applied to
the palliative treatment of metastatic pheochromocytoma in small studies. We report our …

… Feldman, who is the endocrinologist who kept this database, has also looked at several other
factors, including TNF-α, which … Feldman’s database that we did not include in this study. …

Glyburide, a second‐generation hypoglycemic sulfonylurea, is 200 times as potent as
tolbutamide. This increase is due to greater intrinsic hypoglycemic potency of the molecule rather …

… Feldman JM. Increased dopamine production in patients with carcinoid tumors. Metabolism.
… Feldman JM. Diagnosis and management of pheochromocytoma. Hosp Pract (Off Ed).1989;…

The present study was designed to determine if l-dopa alters endocrine function in humans.
Patients with Parkinson's disease underwent control studies that included determination of …