1. Litman, R. et al. A Retrospective Study of Peritonsillary Abscesses. Ear Nose and Throat Journal. 1987, 66:21–24.
2. Muckleston H S. Angina Ludovici and Kindred Infections: An Historical and Clinical Study. Ann Otol Rhinol Laryngol. 1942, 35:467.
3. Burke, J. Angina Ludovici: A Translation together with a Biography of Wilhelm F. Von Ludwig Bul Hist Med. 711151939.
4. Hought R T, Fitzgerald B G, Latta J E, et al. Ludwig’s angina — A Report of Two cases and Review of The Literature from 1945 till January 1979. J Oral Surg. 1980, 38:849.
5. Blinder D et al. Idiopathic Submandibular abscesses in Children. Int J. Oral Maxillofac Surgery. 1976, 15:292–295.