“Contaminated Ambu-Bag Associated Hospital-Acquired Infection With Pseudomonas Aeruginosa in an Intensive Care Unit ”. Annals of Medical Research 16, no. 1 (May 25, 2021): 0025–0027. Accessed May 9, 2025. http://www.annalsmedres.org/index.php/aomr/article/view/3386.