Control Selection and Participation in an Ongoing, Population-based, Case-Control Study of Birth Defects
2009 ◽
Vol 170
(8)
◽
pp. 975-985
◽
Keyword(s):
1997 ◽
Vol 72
(4)
◽
pp. 422-429
◽
Keyword(s):
Keyword(s):
Keyword(s):
1993 ◽
Vol 7
(4)
◽
pp. 404-416
◽
Keyword(s):
1988 ◽
Vol 43
(2)
◽
pp. 162-167
◽
Keyword(s):
2012 ◽
Vol 120
(10)
◽
pp. 1443-1449
◽
Keyword(s):
1989 ◽
Vol 3
(4)
◽
pp. 402-420
◽
Keyword(s):