Learn the difference between Excel COUNT and COUNTA, plus TEXTBEFORE and TEXTAFTER tricks, so you clean text and totals with confidence.
Abstract: A technique for tracking heart rate using electrodes and spotting minute electrical changes in individual heart rates is called an electrocardiogram (ECG). This looks at a variety of ...
Objectives In patients with chronic obstructive pulmonary disease (COPD), severe exacerbations (ECOPDs) impose significant morbidity and mortality. Current guidelines emphasise using ECOPD history to ...