Comment on

• Non-invasive modalities of positive pressure ventilation improve the outcome of acute exacerbations in COLD patients.

  Vitacca M, Rubini F, Foglio K, Scalvini S, Nava S, Ambrosino N. Vitacca M, et al. Intensive Care Med. 1993;19(8):450-5. doi: 10.1007/BF01711086. Intensive Care Med. 1993. PMID: 8294627 Clinical Trial.
• Pressure support ventilation via face mask in acute respiratory failure in hypercapnic COPD patients.

  Fernandez R, Blanch L, Valles J, Baigorri F, Artigas A. Fernandez R, et al. Intensive Care Med. 1993;19(8):456-61. doi: 10.1007/BF01711087. Intensive Care Med. 1993. PMID: 8294628