title: BIRTH WEIGHTS AND SURVIVAL OF UNLIKE-SEXED TWINS.
mesh_terms: D001315:Australia; D001724:Birth Weight; D005313:Fetal Death; D006801:Humans; D007223:Infant; D007226:Infant Mortality; D007231:Infant, Newborn; D012723:Sex; D013223:Statistics as Topic; D014427:Twins
keywords: AUSTRALIA; BIRTH WEIGHT; FETAL DEATH; INFANT MORTALITY; INFANT, NEWBORN; SEX; STATISTICS; TWINS