1. C. Iber, S. Ancoli-Israel, A.L. Chesson, S.F. Quan, The AASM manual for the scoring of sleep and associated events: rules, terminology, and technical specifications, Westchester, Ill: American Academy of Sleep Medicine, 2007.
2. Systematic comparison of different algorithms for apnoea detection based on the electrocardiogram recordings;Penzel;Med. Biol. Eng. Comput.,2002
3. Sleep-related breathing disorders and cardiovascular disease;Roux;Am. J. Med.,2000
4. Measurements and theory of normal tracheal breath sounds;Beck;Ann. Biomed. Eng.,2005
5. Characteristics of breath sounds and adventitious respiratory sounds;Sovijärvi;Eur. Respir. Rev.,2000