00734nam a22001937a 4500003000800000005001700008008004100025020001500066040002100081082001500102110007600117245012100193260003900314300002600353490003300379504004000412505005500452650003300507BD-DhUL20190206094701.0190206s1988    nyua|||| |||| 00| 0 eng d  a9211511739  aBD-DhULcBD-DhUL  a306.7bUNA2 aUnited Nations. Department of International Economic and Social Affairs10aAdolescent reproductive behaviour : v. 1 / cUnited Nations. Department of International Economic and Social Affairs  aNew York : bUnited Nations,c1988  av. :b ill. ; c27 cm0 aPopulation studies ; no. 109  aIncludes bibliographical references  aContents: v. 1. Evidence from developed countries
 0aTeenagersx Sexual behaviour