Tschopp, J., Boutin, C., Astoul, P., Janssen, J., Bolliger, C., Delaunois, L., Driesen, P., Tassi, G., & Perruchoud, A. (2003). The best treatment for the first episode of primary spontaneous pneumothorax: an unanswered question - Reply. The European Respiratory Journal, 21(4), 732-733. https://doi.org/10.1183/09031936.03.00119003 (Original work published 2003)