A First Class stamp <a href=" http://www.innerpedia.org/index.php/how-long-does-it-take-for-methotrexate-to-work-for-abortion.pdf ">methotrexate 20 mg weekly</a> But it&rsquo;s still round one for the self-confessed &ldquo;gym rat&rdquo;, who started sparring ten years ago at the now-defunct McKenzie gym above the Half Moon pub in London&rsquo;s Herne Hill.