Wantland, Dean J ; Portillo, Carmen J ; Holzemer, William L.. Fox S, Falloes D. Internet Health Resources: Health searches and e-mail have become more commonplace, but there is room for improvement in searches and overall Internet access. Pew Internet & American Life Project; Washington DC. Jul 16, 2003. URL: http://207.21.232.103/pdfs/PIP_Health_Report_July_2003.pdf.
,
2004