P44 Adolescent sexual activity, contraceptive use and pregnancy in britain and the united states: A cross-national comparison
2003 ◽
Vol 133
(11)
◽
pp. 3476-3484
◽
Keyword(s):
2011 ◽
Vol 41
(4)
◽
pp. 1015-1025
◽
Keyword(s):
Keyword(s):
1982 ◽
Vol 14
(1)
◽
pp. 1-6
◽
1993 ◽
Vol 2
(3)
◽
pp. 183-207
◽
Keyword(s):
Keyword(s):
2005 ◽
Vol 24
(6)
◽
pp. 515-523
◽