The UK General Practice Research Database
Keyword(s):
2005 ◽
Vol 60
(1)
◽
pp. 76-82
◽
1998 ◽
Vol 45
(5)
◽
pp. 419-425
◽
Keyword(s):
2009 ◽
Vol 80
(2)
◽
pp. 142-151
◽
2009 ◽
Vol 18
(5)
◽
pp. 380-385
◽