1. Midgren B , Hansson L , Skeidsvoll H , Elmqvist D . The effects of nitrazepam and flunitrazepam on oxygen desaturation during sleep in patients with stable hypoxemic nonhypercapnic COPD . Chest1989; 95: 765-768 .
2.
2. Guilleminault C . Benzodiazepines, breathing, and sleep . Am J Med1990; 88: 25S-28S .
3.
3. Murciano D , Armengaur MH , Cramer PH et al. Acute effects of zolpidem, triazolam and flunitrazepam on arterial blood gases and control of breathing in severe COPD . Eur Respir J1993; 6: 625-629 .
4.
4. George CE Perspectives on the management of insomnia in patients with chronic respiratory disorders . Sleep2000; 23: S31-S35 .
