TY - GEN AU - Magnus,P TI - Causes of variation in birth weight: a study of offspring of twins SN - 0009-9163 PY - 1984///0518 KW - Birth Weight KW - Female KW - Gestational Age KW - Humans KW - Infant, Newborn KW - Male KW - Models, Genetic KW - Pregnancy KW - Twins KW - Twins, Dizygotic KW - Twins, Monozygotic N1 - Publication Type: Comparative Study; Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, P.H.S UR - https://doi.org/10.1111/j.1399-0004.1984.tb00457.x ER -