Helito, Camilo Partezani, et al. “ Effect of Postoperative Use of Nasal Oxygen Catheter Supplementation in Wound Healing Following Total Knee Arthroplasty ”. Clinics, vol. 69, no. 11, Nov. 2014, pp. 735-9, https://doi.org/10.6061/clinics/2014(11)05.