1. Barrowcliffe M. P. and Jones J. G.. (1987) Solute permeability of the alveolar capillary barrier. Thorax 42, 1–10.
2. Bates D. V., Ball W. C. and Bryan A. C. (1964) Use of xenon-133 in studying the ventilation and perfusion of lungs. In: Dynamic Clinical Studies with Radioisotopes (Edited by Kniseley R. M. and Tauxe W. N.), pp. 237–247. U.S. Atomic Energy Commission, Washington, DC.
3. Bonniaud P., Toubeau M., Berriolo A., Roy S., Branly F., Schifano S., Touzery C., Foucher P., Baidouin N. and Brunote F. (1998) Use of heliox in 99mTc-DTPA ventilation scans. Eur. J. Nucl. Med. 25(8), 1099.
4. Calmanovici G., Boccio J., Lysionek A., Salgueiro M., Caro R., Hager A., De Paoli T. and Zubillaga M. (1998). El sistema surfactante pulmonar: Fisiologı́a, patologı́as asociadas a su alteración y administración exógena como agente terapeútico y de diagnóstico. Acta Physiol. Pharmacol. Therap. Latinoamer. 48(4), 175–190.
5. 99mTc-ENS, a new radiopharmaceutical for aerial lung scintigraphy. Comparison between different freeze-dried formulations;Calmanovici;J. Nucl. Med.,1999