Noun
Initialism of quantum tunneling compound.
Initialism of Quantum Tunneling Composite.
Source: en.wiktionary.orgIn addition, beta-adrenergic agents have been reported to produce ) changes, such as flattening of the T wave, prolongation of the QTc interval, and ST segment depression. Source: Internet
QTc interval prolongation was studied in a double-blind, single-intravenous dose, placebo-and positive-controlled, crossover trial in 58 healthy subjects. Source: Internet