Objective: To investigate the efficacy and tolerability of high-dose N-acetylcysteine (NAC) in the treatment of patients with exacerbations of chronic obstructive pulmonary disease (COPD).

It entered the Android and Windows tablet market in 2011, began selling Android smartphones in 2012, and acquired Motorola Mobility from Google in 2014. The company has also launched an online-only ...

The tablet has a unibody metal design which is a bit heavy but is quite sturdy and feels very premium. The quality of the optional accessories is also top-notch. Its raw performance, whether used for ...