From the abstract: Between 1920 and 1960, several residential programs for mental health treatment by chiropractors were in existence. This interest has been largely forgotten in the following years. The size of two Davenport institutions were remarkable, especially considering the varying economic climate during those years and that all payment was by individuals or their families. State-operated facilities were concurrently available at little or no cost. The length of existence of the chiropractic sanitaria, 40 years, is also remarkable, as is their demise at roughly the same time (c.1960). W.H. Quigley, D.C., claimed successful treatment of 60% of the admitted population, while the state hospitals of that time reported a success rate of 30%.
Goff P.J. Research Forum/Autumn, 1987.