1. The abortus as a predictor of future trisomy 21 pregnancies;Alberman,1981
2. Chromosome studies in investigation of stillbirths and neonatal deaths;Bauld;Archives of Disease in Childhood,1974
3. Chromosomal variation in man;Borgaonkar,1980
4. Anomalies chromosomiques dans les avortements spontanés;Boué,1973
5. Chromosome anomalies associated with fetal malformations;Boué,1978