Elbrønd, O Acoustic rhinometry used as a method to monitor the effect of intramuscular injection of steroid in the treatment of nasal polyps. [electronic resource] - The Journal of laryngology and otology Mar 1991 - 178-80 p. digital Publication Type: Journal Article ISSN: 0022-2151 Standard No.: 10.1017/s0022215100115294 doi Subjects--Topical Terms: Acoustics--instrumentationAdultAnalog-Digital ConversionBetamethasone--administration & dosageFemaleHumansInjections, IntramuscularMaleMethodsMiddle AgedNasal Cavity--pathologyNasal Polyps--drug therapyPeak Expiratory Flow Rate