MCGREGOR, Pat; MCKEE, Pat; O'NEILL, Ciaran. GP Utilisation in Northern Ireland: Exploiting the Gatekeeper Function. The Economic and Social Review, [S. l.], v. 37, n. 1, Spring, p. 71–90, 2026. Disponível em: https://esr.ie/index.php/esr/article/view/3626. Acesso em: 2 oct. 2026.