@article{article050b4d4c,
title   = {Development and evaluation of physical properties of a low-cost handheld device for airway clearance therapy},
author = {Silva, Cibele Cristine Berto Marques da and Comin, Alba Rebeca Nery and Saldiva, Paulo Hilário Nascimento and Martins, Milton de Arruda and Carvalho, Celso Ricardo Fernandes de},
year = {2019},
doi = {10.1590/1809-2950/18043126042019},
journal   = {Fisioterapia e pesquisa}
}