title: Is an ultrasound assessment of gestational age at the first antenatal visit of value? A randomised clinical trial.
authors.forename: B
authors.initials: B
authors.lastname: Kumar
mesh_terms: D001724:Birth Weight; D018568:Crown-Rump Length; D005260:Female; D005865:Gestational Age; D006801:Humans; D011247:Pregnancy; D016032:Randomized Controlled Trials as Topic; D016216:Ultrasonography, Prenatal / Q000706:statistics & numerical data*