TY - GEN AU - Gielen,M AU - van Beijsterveldt,C E M AU - Derom,C AU - Vlietinck,R AU - Nijhuis,J G AU - Zeegers,M P A AU - Boomsma,D I TI - Secular trends in gestational age and birthweight in twins SN - 1460-2350 PY - 2010///1222 KW - Belgium KW - Birth Weight KW - Cohort Studies KW - Cross-Sectional Studies KW - Female KW - Gestational Age KW - Health Surveys KW - Humans KW - Infant, Newborn KW - Male KW - Netherlands KW - Registries KW - Statistics as Topic KW - Twins KW - Twins, Dizygotic KW - Twins, Monozygotic N1 - Publication Type: Comparative Study; Journal Article; Research Support, Non-U.S. Gov't; Twin Study UR - https://doi.org/10.1093/humrep/deq160 ER -