Ramírez Benavides, D., K. Benavides Villa, R. Oviedo Vargas, and M. Zambrano. “Spontaneous Pneumothorax, about a Case: Case Report”. Ciencia Ecuador , vol. 1, no. 5, Nov. 2019, pp. 5-9, https://cienciaecuador.com.ec/index.php/ojs/article/view/9.