WANG, Ming-yi, Xiao-tao YE, y Xiao-wen XIN. «Predictive Value of Gram Staining of Low Respiratory Tract Secretions Paired to Routine Culture». Revista Médica de Chile 140, no. 2 (enero 10, 2012). Accedido junio 16, 2026. https://www.revistamedicadechile.cl/index.php/rmedica/article/view/1534.