1. Crico-arytenoid arthritis in ankylosing spondylitis;M., Libby D.; W., Shain Schley; P, Smith J.;Chest,1981
2. The incidence of laryngeal involvement in rheumatoid arthritis;H., Lofgren R.; W, Montgomery W.;et al,1962
3. Crico-arytenoid arthritis in ankylosing spondylitis;A., Wojtuleski J.; D., Sturrock R.; C, Branfoot A.;et al,1973