Dal Negro, R.W., and M. Guerriero. “Cultural and Linguistic Testing of the Handling Questionnaire: A Specific Instrument for Assessing the patient’s Acceptability of Dry Powder Inhalers”. Monaldi Archives for Chest Disease 69, no. 4 (January 26, 2016). Accessed November 22, 2024. https://www.monaldi-archives.org/macd/article/view/379.