1. 1. American Institute of Ultrasound in Medicine (AIUM) :Who's Afraid of 100 Milliwatts?AIUM, 4405 East-West Highway, Suite 504, Bethesda, MD 20814. ($6.00).
2. Ultrasonic Measurement of Fetal Body Size: A Randomized Controlled Trial
3. Predictive value of ultrasound measurement in early pregnancy: a randomized controlled trial
4. 4. SH Eik-Nes, and O Okland : Ultrasound screening of pregnant women-A prospective randomized study. (in press).
5. 5. LS Bakketeig, C Brodtkorb, and SH Eik-Nes : Screening by ultrasound during pregnancy-a randomized controlled trial . Lancet, (in press).