“…The methods of preparation of the sections and details about the staining pro cedures have been previously described (Cormane, 1961: Cormane et al, 1966. Venous blood was drawn to ascertain the presence of antinuclear factors (AN F) (Friou et al, 1958) and serum antibodies with specificity for (a) substance(s) in the dermalepidermal junction area.…”