Campelo, P., Caroça, C., Tinoco, C., Oliveira e Carmo, D. and Paço, J. 2017. Stapedo-Vestibular Ankylosis: Retrospective Study of Five Cases in São Tomé e Príncipe. Acta Médica Portuguesa. 30, 10 (Oct. 2017), 713–718. DOI:https://doi.org/10.20344/amp.8568.