Back to matchesWe found a matchYour institution may have rights to this item. Sign in to continue.TitleWhen are we allowed to use a marker in Down syndrome screening?AuthorsFarina, Antonio; Rizzo, Nicola; Carinci, Paolo; Bovicelli, Luciano; Farina, A; Rizzo, N; Carinci, P; Bovicelli, LPublicationPrenatal Diagnosis, 1999, Vol 19, Issue 11, p1084ISSN0197-3851Publication typeletterDOI10.1002/(SICI)1097-0223(199911)19:11<1084::AID-PD698>3.0.CO;2-D