Rolnik DL, Wright D, Poon LC, O'Gorman N, Syngelaki A, de Paco Matallana C, Akolekar R, Cicero S, Janga D, Singh M, Molina FS, Persico N, Jani JC, Plasencia W, Papaioannou G, Tenenbaum-Gavish K, Meiri H, Gizurarson S, Maclagan K, Nicolaides KH.
N Engl J Med. 2017 Aug 17;377(7):613-622.
PMID: 28657417
Dalton K.
Br Med J. 1957 Aug 17;2(5041):378-81.
PMID: 13446488