Authors: Blundell, G Ashby, JP Martin, C Shearing, CH Langdale-Brown, B Keeling, J Ellis, PM Shade, M Chambers, SE Wenham, PR

Citation: G. Blundell et al., Clinical follow-up of high mid-trimester maternal serum intact human chorionic gonadotrophin concentrations in singleton pregnancies, PRENAT DIAG, 19(3), 1999, pp. 219-223