Kuk, Francis K.; Ludvigsen, Carl
Francis K. Kuk, PhD, is Director of Audiology, Widex Hearing Aid Company, USA. Carl Ludvigsen, MS, is Director of Audiological Reserarch at Widex ApS, Denmark. Correspondence to Dr. Kuk at Widex, 35–53 24th St., Long Island City, NY 11106.
