“…An SLE-like syndrome has also been reported following administration of various drugs, e.g. hydrallazine (Perry & Schroeder, 1954), procainamide (Blomgren, Condemi, Bignall & Vaughan, 1969), and some anticonvulsant medications (Benton, Tynes, Register, Alford & Holley, 1962), but in this case the presence of antinuclear antibodies is associated with absence of antibodies directed against DNA (Harpey, 1973). In this investigation the incidence of SLE associated antibodies was assessed in a group of 100 unselected patients with acute psychiatric disease and compared with that in group of 112 osteoarthritic controls matched for age and sex.…”