1. 1) Sovijarvi AR, Vanderschoot J, Earis JE. Standardization of computerized respiratory sound analysis. Eur. Respir. Rev 2000;10:585.
2. 2) Sovijarvi AR, et al. Definition of terms for applications of respiratory sounds. Eur Respir Rev 2000;10:597-610.
3. 3) Meslier N, Charbonneau G, Racineux JL. Wheezes. Eur. Respir. J 1995;8:1942-1948.
4. 4) Sovijärvi AR, et al. Characteristics of breath sounds and adventitious respiratory sounds. Eur. Respir. Rev 2000;10:591-596.
5. 5) Forgacs P. The functional basis of pulmonary sounds. Chest 1978;73:399-405.