Now showing items 31-34 of 34
Myocardial threshold in patients with artificial pacemakers
(Elsevier, 1966-07)
A method for estimating myocardial threshold in patients with implanted artificial pacemakers has been described. By the external application of a calibrated suppression signal, the output of the implanted unit can be ...
Tumor localizing agents V. Radioiodinated pregnanes
(Elsevier, 1968-06)
Previous studies with progesterone-4-14C suggested that a radioiodinated analog might be useful for photoscanning the adrenal gland and associated tumors. 21-Iodoprogesterone was prepared by conversion of deoxycorticosterone ...
The cardiac -adrenergic receptor blocking actions of propranolol and its stereoisomers
(Elsevier, 1967-05-01)
The ability of propranolol and its dextrorotatory and levorotatory isomers to produce -adrenergic receptor blockade was studied in anesthetized dogs and in isolated rabbit atria. -Propranolol, in mean concentrations of 3.8 ...