1. Antonarakis SE, Blouin JL, Maher J et al (1993) Maternal uniparental disomy for human chromosome-14, due to loss of a chromosome-14 from somatic cells with t(13; 14) trisomy-14. Am J Hum Genet 52:1145–1152
2. Basaran S, Miny P, Pawlowitzki IH et al (1988) Rapid karyotyping for prenatal diagnosis in the second and third trimester of pregnancy. Prenat Diagn 8:315
3. Beaudet AL, Perciaccante RG, Cutting GR (1991) Homozygous nonsense mutation causing cystic fibrosis with uniparental disomy (Letter). Am J Hum Genet 48:1213
4. Benn PA, Hsu LYF (1983) Maternal cell contamination of amniotic fluid cell cultures: results of a US nationwide survey. Am J Med Genet 15:297–305
5. Brambati B, Simoni G (1983) Fetal diagnosis of trisomy 21 in the first trimester of pregnancy. Lancet 1:586