TY - GEN AU - Katila,T AU - Piirilä,P AU - Kallio,K AU - Paajanen,E AU - Rosqvist,T AU - Sovijärvi,A R TI - Original waveform of lung sound crackles: a case study of the effect of high-pass filtration SN - 8750-7587 PY - 1992///0312 KW - Acoustics KW - Asbestosis KW - physiopathology KW - Biophysical Phenomena KW - Biophysics KW - Humans KW - Male KW - Middle Aged KW - Respiratory Mechanics KW - physiology KW - Respiratory Sounds KW - Silicosis N1 - Publication Type: Case Reports; Journal Article; Research Support, Non-U.S. Gov't UR - https://doi.org/10.1152/jappl.1991.71.6.2173 ER -