TY  - GEN
AU  - Shikani,A H
AU  - French,J
AU  - Siebens,A A
TI  - New unidirectional airflow ball tracheostomy speaking valve
SN  - 0194-5998
PY  - 2000///0807
KW  - Equipment Design
KW  - Humans
KW  - Pulmonary Ventilation
KW  - physiology
KW  - Speech Intelligibility
KW  - Tracheostomy
KW  - instrumentation
N1  - Publication Type: Comparative Study; Journal Article
UR  - https://doi.org/10.1067/mhn.2000.101576
ER  -