Ferreira Simões, A., Rodrigues, J. B., Marques, S. Úria and Nunes da Silva, G. (2018) “Subcutaneous Emphysema and Pneumomediastinum During a Tooth Extraction”, Acta Médica Portuguesa. Lisbon, Portugal, 31(7-8), pp. 435–439. doi: 10.20344/amp.8431.