Can I call you back? <a href=" http://www.transformatlab.eu/participants ">bimatoprost purchases</a> So, legally and practically, it is impossible that Mr Cameron could get anything of what all those MPs voted for the other day. The only semblance of a realistic understanding of all the issues involved comes from a research paper recently published by the House of Commons Library on what would be involved in a British withdrawal from the EU. This explains, with an authority no MP could muster, that the only way Britain could continue to trade freely within the single market without having to accept so much of the rest of the EU&rsquo;s political baggage, would be to invoke Article 50 of the Lisbon Treaty.