Direct access versus physician’s pre‑authorized laboratory testing: The experience at a clinical laboratory in South‑South, Nigeria. Port Harcourt Medical Journal, [S. l.], v. 14, n. 2, p. 63–67, 2020. DOI: 10.60787/phmj.v14i2.11. Disponível em: https://phmj.org.ng/index.php/home/article/view/11. Acesso em: 22 dec. 2024.