1. Endogenous nitric oxide is present in the exhaled air of rabbits, guinea pigs and humans;Gustafsson, L.E.; Leone, A.M.; Persson, M.G.; Wiklund, N.P.; Moncada, S.;Biochem Biophys Res Commun,1991
2. Primarily nasal origin of exhaled nitric oxide and absence in Kartagener's syndrome;Lundberg, J.O.N.; Weitzberg, E.; Nordvall, S.L.; Kuylenstierna, R.; Lundberg, J.M.; Alving, K.;Eur Resp,1994
3. Autoinhalation of nitric oxide after endogenous synthesis in nasopharynx;Gerlach, H.; Rossaint, R.; Pappert, D.; Knorr, M.; Falke, K.J.;Lancet,1994
4. High nitric oxide production in human paranasal sinuses;Lundberg, J.O.N.; Farkas-Szallasi, T.; Weitzberg, E.;Nature Med,1995
5. Nasally exhaled nitric oxide in humans originates mainly in the paranasal sinuses;Lundberg, J.O.N.; Rinder, J.; Weitzberg, E.; Lundberg, J.M.; Alving, K.;Acta Physiol Scand,1994