T. Bryndorf, B. Christensen, J. Philip, W. Hansen, K. Yokobata, N. Bui et al
Bryndorf T, Christensen B, Philip J, Hansen W, Yokobata K, Bui N et al.
New rapid test for prenatal detection of trisomy 21 (Down's syndrome): preliminary report.
British Medical Journal 1992; 304 :1536
doi:10.1136/bmj.304.6841.1536