Lema Zuluaga, G., Fernandez Laverde, M., Correa Varela, A., & Zuleta Tobón, J. (2018). As-needed endotracheal suctioning protocol vs a routine endotracheal suctioning in Pediatric Intensive Care Unit: A randomized controlled trial. Colombia Médica, 49(2), 139-147. https://doi.org/10.25100/cm.v49i2.2273