1. Ultrasound screening in pregnancy: a randomised controlled trial [leter];Eik-Nes;Lancet,1984
2. Routine ultrasound fetal examination in pregnancy: the Alesund randomised controlled trial;Eik-Nes;Ultrasound Obstet Gynecol
3. Screening for small for dates fetuses: a controlled trial;Neilson;BMJ,1984
4. A randomised controlled trial in a hospital population of ultrasound measurement screening for the small for dates baby;Duff;Aust NZ J Obstet Gynaecol,1993
5. Newnham J MacDonald W Gurrin L Evans S Landau L Stanley F The effect of frequent prenatal ultrasound on birthweight: follow up at one year of age. Proceedings of the 14th Australian Perinatal Society in conjunction with the New Zealand Perinatal Society; 1996 March 24-27; Adelaide, Australia, 1996:A26