@article{quandt_pacola_pichorim_gamba_sovierzoski_2015,  title={Pulmonary crackle characterization: approaches in the use of discrete wavelet
     transform regarding border effect, mother-wavelet selection, and subband
     reduction},  volume={31},  ISSN={2446-4740},  url={https://doi.org/10.1590/2446-4740.0639},  DOI={10.1590/2446-4740.0639},  number={2},  journal={Research on Biomedical Engineering},  publisher={Sociedade Brasileira de Engenharia Biomédica},  author={Quandt, Verônica Isabela and Pacola, Edras Reily and Pichorim, Sérgio Francisco and Gamba, Humberto Remigio and Sovierzoski, Miguel Antônio},  year={2015},  month={Apr},  pages={148–159} }