We set out to assess the relationship between arterial and venous measures of PCO 2, pH and , and between arterial and pulse oximetry oxygen saturations during exacerbations of COPD, in order to ...

Morningstar Quantitative Ratings for Stocks are generated using an algorithm that compares companies that are not under analyst coverage to peer companies that do receive analyst-driven ratings ...

The Price to Earnings (P/E) ratio, a key valuation measure, is calculated by dividing the stock's most recent closing price by the sum of the diluted earnings per share from continuing operations ...