It's serious <a href=" http://www.ashr.edu.au/sildenafil-orion-100-mg-pris.pdf ">sildenafil 50 mg preise</a> Lao Airlines is state-owned, and in the past had a patchy safety record. Until a decade ago, it operated mainly Russian or Chinese-made aircraft, but has modernised its fleet recently with EU-manufactured planes. Its last fatal accident was back in October 2000.