1. ACOG (1986) American College of Obstetricians and Gynecologists Technical Bulletin, Washington, DC, No. 91.
2. Ananth, C.V., Peedicayil, A. and Savitz, D.A. (1995) Effect of hypertensive diseases in pregnancy on birthweight, gestational duration, and small-for-gestational-age births. Epidemiology, 6, 391–395.
3. Blickstein, I. and Lancet, M. (1988) The growth discordant twin. Obstet. Gynecol. Surv., 43, 509–515.
4. Blickstein, I., Shoham-Schwartz, Z., Lancet, M. et al. (1987) Characterization of the growth-discordant twin. Obstet. Gynecol., 70, 11–15.
5. Blickstein, I., Shoham-Schwartz, Z. and Lancet, M. (1988) Growth discordancy in appropriate for gestational age, term twins. Obstet. Gynecol., 72, 582–584.