title: Re: relief of incident dyspnea in palliative cancer patients.
mesh_terms: D000280:Administration, Inhalation; D000284:Administration, Oral; D000368:Aged; D000369:Aged, 80 and over; D000701:Analgesics, Opioid / Q000008:administration & dosage; D018592:Cross-Over Studies; D004311:Double-Blind Method; D004417:Dyspnea / Q000517:prevention & control*; D005260:Female; D006801:Humans; D004091:Hydromorphone / Q000008:administration & dosage*; D007269:Injections, Intra-Arterial; D008297:Male; D008875:Middle Aged; D009330:Nebulizers and Vaporizers; D010865:Pilot Projects; D012965:Sodium Chloride / Q000008:administration & dosage*; D016896:Treatment Outcome
chemical_list: D000701:Analgesics, Opioid; D012965:Sodium Chloride; D004091:Hydromorphone