By including chemical compounds ?nd drug ?r??ur??r?, th?t ?r? fr??l? tr?d?d ?n th? rest ?file th? planet, while in the l??t ?f nationally controlled ?ub?t?n???.A???rd?ng t? Bl??mb?rg Information, ?? of 2011, ?tud??? demonstrate that C?l?mb?? ?? the w?rld’? l?rg??t copyright ?r?du??r. Th? Un?t?d St?t?? ?file Am?r??? is th? world’s major ??n?um?r