Mardhika, P. E., T. G. B. Mahadewa, and C. Aryanti. “Hemopneumothorax Associated With Pneumorrachis Following Blunt Chest Trauma (Retracted)”. Neurologico Spinale Medico Chirurgico, Vol. 2, no. 2, Sept. 2020, pp. 33-36, doi:10.36444/nsmc.v2i2.10.