Validity of the Use of GHQ-12 in Primary Health Care Setting in Northern Nigeria. Journal of Medical and Basic Scientific Research, Nigeria, v. 2, n. 2, p. 51–55, 2021. DOI: 10.5281/zenodo.5810816. Disponível em: https://jmbsr.emej.com.ng/index.php/jmbsr/article/view/78. Acesso em: 19 sep. 2024.