Southall, Pamela (2008). "Police custody deaths in Maryland, USA: An examination of 45 cases". Journal of Forensic and Legal Medicine. 15 (4): 227–230. doi:10.1016/j.jflm.2007.10.005. PMID18423355.
Southall, Pamela (2008). "Police custody deaths in Maryland, USA: An examination of 45 cases". Journal of Forensic and Legal Medicine. 15 (4): 227–230. doi:10.1016/j.jflm.2007.10.005. PMID18423355.