George S.C. and N.M. Tsoukias. An apparatus and method for the estimation of flow independent parameters which characterize the relevant features of Nitric Oxide production and exchange in the human lungs. (WO 01/82782; US 6,866,637).
Kavallieratos, K. Tsoukias, N. M. and Lozano-Lewis; L. Organometallic fluorescent sensors for nitric oxide detection and imaging. (US 8,906,694).