Measuring ambulatory health care use in the United States: A comparison of 1996 estimates across four federal surveys
2001 ◽
Vol 27
(1-2)
◽
pp. 57-69
◽
Keyword(s):
Keyword(s):
2013 ◽
Vol 173
(2)
◽
pp. 142
◽
Keyword(s):
2017 ◽
Vol 88
◽
pp. 65-75
◽