1. Agüero, O., and Zighelboim, I., 1970, Intrauterine diagnosis of fetal diaphragmatic hernia by amniography, Am.J. Obstet. Gynecol. 107:971.
2. Agüero, O., and Zighelboim, I., 1976, Diagnostic radiology of fetal abnormalities, Int. J. Gynaecol. Obstet. 14:314.
3. Alexander, E., Jr., and Davis, C. H., Jr., 1969, Intrauterine fracture of the infant’s skull, J. Neurosurg. 30:446.
4. Allan, L. D., Ferguson-Smith, M. A., Donald, I., et al., 1973, Amniotic-fluid alpha-fetoprotein in the antenatal diagnosis of spina bifida, Lancet 2:522.
5. Anteby, S. O., Aviad, I., and Weinstein, D., 1977, Prenatal diagnosis of achondrogenesis, Radiol Clin. 46:109.