Author
National Health Care Survey (U.S.)
2
Ashman, Jill J.,
1
Burt, Catharine W.
1
Edmunds, Marilyn W.,
1
Hing, Esther
1
Hing, Esther,
1
National Ambulatory Medical Care Survey (U.S.)
1
National Center for Health Statistics (U.S.)
1
National Center for Health Statistics (U.S.),
1
National Center for Health Statistics (U.S.). Division of Health Care Statistics
1
Shahady, Edward J.
1
SpringerLink (Online Service)
1
Talwalkar, Anjali,
1