共 28 条
[1]
[Anonymous], 2008, AHRQ PUBL
[2]
Use of the Internet and e-mail for health care information - Results from a national survey
[J].
JAMA-JOURNAL OF THE AMERICAN MEDICAL ASSOCIATION,
2003, 289 (18)
:2400-2406
[5]
Davis J.A., 1994, GEN SOCIAL SURVEYS 1
[6]
DeNavas-Walt C., 2008, U.S. Census Bureau Current Population Reports

