New forehead device in positional obstructive sleep apnoea: A randomised clinical trial

1. Hidalgo Armas, L.
2. Ingles, S.
3. Vaca, R.
4. Cordero-Guevara, J.
5. Duran Carro, J.
6. Ullate, J.
7. Barbé, F.
8. Durán-Cantolla, J.