Whereabouts in  are you from? <a href="http://www.bsgonline.nl/prosportpharmacom-04ec.pdf">alopecia.medico-guia.com</a>  But Bombardier, which also makes trains, is staking a claim in a niche: the single-aisle, 100- to 149-seat class that is midway between the size of so-called "regional" planes and the larger commercial jetliners of Boeing and Airbus. Bombardier says it can corner half that market over the next 20 years.