Chapters by Mr. Matthias Birkhoff

• Book Chapter Intranasal Drug Administration — An Attractive Delivery Route for Some Drugs
  by Degenhard Marx, Gerallt Williams and Matthias Birkhoff in the book "Drug Discovery and Development - From Molecules to Medicine" edited by Omboon Vallisuta and Suleiman Olimat, ISBN 978-953-51-2128-2, InTech, June 6, 2015
• Book Chapter Multi-Dose Container for Nasal and Ophthalmic Drugs: A Preservative Free Future?
  by Degenhard Marx and Matthias Birkhoff in the book "Drug Development - A Case Study Based Insight into Modern Strategies" edited by Chris Rundfeldt, ISBN 978-953-307-257-9, InTech, December 12, 2011