Provider networks and primary-care signups: do they restrict the use of medical services?
1995 ◽
Vol 4
(7)
◽
pp. 594-599
◽
1984 ◽
Vol 15
(3)
◽
pp. 353-361
◽
1963 ◽
Vol 53
(4)
◽
pp. 621-625
1983 ◽
Vol 17
(3)
◽
pp. 129-137
◽
2019 ◽
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