RT Article T1 Teenage pregnancy and childbearing JF American psychologist VO 44 IS 2 SP 313 OP 320 A1 Furstenberg, F. F. A1 Brooksgunn, J. A1 Chaselansdale, L. LA English YR 1989 UL https://krimdok.uni-tuebingen.de/Record/1642532282 K1 Schwangerschaft K1 Jugendliche