A preliminary study of psychological pain among patients attending the dental clinic of a tertiary hospital. Nigerian Dental Journal, [S. l.], v. 20, n. 1, p. 15–18, 2012. DOI: 10.61172/ndj.v20i1.116. Disponível em: https://nigeriandentaljournal.ng/index.php/ndj/article/view/116. Acesso em: 5 nov. 2024.