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Second-trimester levels of pregnancy-associated plasma protein-A and free beta-hCG in pregnancies with trisomy 13.
Spencer K, Crossley JA, Aitken DA, Nicolaides KH.
Prenat Diagn 2005;25:358-61. -
Definitive surgical management of antenatally diagnosed exomphalos.
Rijhwani A, Davenport M, Dawrant M, Dimitriou G, Patel S, Greenough A, Nicolaides K.
J Pediatr Surg 2005;40:516-22.