"The diagnostic accuracy of Kernig's sign, Brudzinski's sign, and nuchal rigidity in adults with suspected meningitis". Clin. Infect. Dis.35 (1): 46–52. 2002. doi:10.1086/340979. PMID12060874.
"The diagnostic accuracy of Kernig's sign, Brudzinski's sign, and nuchal rigidity in adults with suspected meningitis". Clin. Infect. Dis.35 (1): 46–52. 2002. doi:10.1086/340979. PMID12060874.