Madruga Dias, J., Costa, M. M., Duarte, A. and Pereira da Silva, J. A. (2013) “Localized Pigmented Villonodular Synovitis of the Shoulder: a Rare Presentation of an Uncommon Pathology”, Acta Médica Portuguesa. Lisbon, Portugal, 26(4), pp. 459–462. doi: 10.20344/amp.165.