Rottier BL, Rubin BK. Asthma medication delivery: mists and myths. Paediatr Respir Rev. 2013 Jun;14(2):112-8; quiz 118, 137-8. doi: 10.1016/j.prrv.2013.02.013. Epub 2013 Mar 21. PMID: 2352298.
Dekhuijzen PN, Bjermer L, Lavorini F, et al. Guidance on handheld inhalers in asthma and COPD guidelines. Respir Med. 2014 Mar 1. pii: S0954-6111(14)00088-2. doi: 10.1016/j.rmed.2014.02.013. [Epub ahead of print] PMID: 24636812.
Salvi S, Gogtay J, Aggarwal B. Use of breath-actuated inhalers in patients with asthma and COPD - an advance in inhalational therapy: a systematic review. Expert Rev Respir Med. 2014 Feb;8(1):89-99. doi: 10.1586/17476348.2014.854168. Epub 2013 Dec 10. PMID: 24325614.
Price D, Bosnic-Anticevich S, Briggs A, et al. Inhaler Error Steering Committee. Inhaler competence in asthma: common errors, barriers to use and recommended solutions. Respir Med. 2013 Jan;107(1):37-46. doi: 10.1016/j.rmed.2012.09.017.
Asthma How to use a metered dose inhaler. FamilyDoctor.org. http://familydoctor.org/online/famdocen/home/common/asthma/medications/040.html. Updated April 2014. Accessed June 2016.
Spacer instructions. The Asthma Center. http://www.theasthmacenter.org/index.php/disease_information/asthma/using_special_devices/spacer_instructions/. Accessed June 2016.
Roche N, Dekhuijzen PN. The Evolution of pressurized metered-dose inhalers from early to modern devices. J Aerosol Med Pulm Drug Deliv. 2016 Jan 29. PMID: 26824873.