TY - JOUR A1 - Rocca, C.H. A1 - Hubbard, A.E. A1 - Johnson-Hanks, J. A1 - Padian, N.S. A1 - Minnis, A.M. T1 - Predictive ability and stability of pregnancy intentions measures: a longitudinal analysis of adolescent boys and girls Y1 - 2010 JF - Studies in Family Planning VL - 41 IS - 3 ER -