Monoclonal antibodies that recognize the CD6 antigen, pharmaceutical compositions that recognizes and that are able to achieve a clinical and histological effectivity in patients with different clinical types of Psoriasis. At least some of the spectra of the sequence differ due to material being removed during the polishing, and the coordinates are pairs of location values and associated intensity values. The inner diameter of the composite tubular workpiece is formed of the corrosion resistant alloy, and the outer diameter is formed of the metal or alloy. A second trench is created through the second surface of the substrate effective to form, in combination with the first trench, a slot.