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2. . Bronchial embolization using an Endobronchial Watanabe Spigot for intractable pneumothorax and bronchial fistula.;Watanabe;J Jpn Soc Bronchol,2001
3. . Clinical evaluation of endoscopic bronchial occlusion with silicone spigots for the management of persistent pulmonary air leaks.;Sasada;Intern Med,2011
4. Guidewire-assisted technique for placement of endobronchial Watanabe Spigot.;Rojas-Solano;J Bronchol,2014
5. . Bronchial occlusion using EWS (Endoscopic Watanabe Spigot) by push and slide method and a pilot study of bronchoscopic lung volume reduction using EWS for severe emphysema.;Miyazawa;J Jpn Soc Bronchol,2003