Farncombe M. , Chater S., Gillin A.The use of nebulized opioids for breathlessness: a chart review. Palliat Med1994; 8: 306-12.
2.
Davis CLThe therapeutics of dyspnoea. In: Cancer surveys 1994, Volume 21, Palliative Medicine: problem areas in pain and symptom management . Coldspring Harbor Laboratory Press, 1994: 85-98.