Old article about DPI, But a good read Aug 8, 2014 18:10:55 GMT -5 Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by biotec on Aug 8, 2014 18:10:55 GMT -5 www.ncbi.nlm.nih.gov/pmc/articles/PMC1884297/The lungs are the way to go for drug delivery.