ALMEIDA, Carlos Costa.
 DOS CENTROS DE REFERÊNCIA.
<strong>Revista Portuguesa de Cirurgia</strong>, [S.l.], n. 19, p. 3-4, dec. 2011.
ISSN 2183-1165.
Disponível em: &lt;<a href="https://revista.spcir.com/index.php/spcir/article/view/63" target="_new">https://revista.spcir.com/index.php/spcir/article/view/63</a>&gt;. Acesso em: 03 july 2024.