The cover photo shows aerodynamic particle size distribution (APSD) testing, using an NGI, critical in the development and routine analysis of nebulized drug therapies. Photo courtesy of Intertek Melbourn, Saxon Way, Melbourn, Hertfordshire, SG8 6DN, United Kingdom, Tel.: +44 1763 261648, bd.melbourn@intertek.com, www.intertek.com
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