Sim, R. J., Harrison, M. M., Moxon, E. R., & Tang, C. M. (2000). Underestimation of meningococci in tonsillar tissue by nasopharyngeal swabbing. Lancet, 356(9242), 1659. https://doi.org/10.1016/S0140-6736(00)03162-7
Chicago Style (17th ed.) CitationSim, R J., M M. Harrison, E R. Moxon, and C M. Tang. "Underestimation of Meningococci in Tonsillar Tissue by Nasopharyngeal Swabbing." Lancet 356, no. 9242 (2000): 1659. https://doi.org/10.1016/S0140-6736(00)03162-7.
MLA (9th ed.) CitationSim, R J., et al. "Underestimation of Meningococci in Tonsillar Tissue by Nasopharyngeal Swabbing." Lancet, vol. 356, no. 9242, 2000, p. 1659, https://doi.org/10.1016/S0140-6736(00)03162-7.
Warning: These citations may not always be 100% accurate.