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.
Sit back, relax, and enjoy your music and movies without disturbing anyone around you with these best travel headphones. Your fellow travelers will thank you for using noise cancelling headphones. Then enjoy them in other situations âon landâ as well in noisy situations. They will be great to use when mowing the lawn.