Due to this high prevalence, vertebral artery hypoplasia (VAH) has not yet been considered an independent risk factor for ischemic stroke [1,2].
How to use your own headphones on Americanâs new 777-300ER. Passengers traveling in First and Business Class on Americanâs new 777-300ER are provided with Bose QuietComfort 15 Acoustic Noise Canceling headphones to use during the flight.
Noise cancelling headphones. Discussion in 'Industry Surveys & Polls' started by CosmoCain, Dec 26, 2013. Page 1 of 3 1 2 3 Next >. Considering buying a set of these to use while running mowers, trimmers etc. Not real experienced in them so was wanting some input on brands or models.