title: [Ultrasonic measurement of femur length in estimating the fetal gestational age].
authors.forename: J R
authors.initials: JR
authors.lastname: Zhao
mesh_terms: D000886:Anthropometry; D005314:Embryonic and Fetal Development; D005260:Female; D005269:Femur / Q000033:anatomy & histology*; D005333:Fetus / Q000033:anatomy & histology*; D005865:Gestational Age; D006801:Humans; D011247:Pregnancy; D014463:Ultrasonography