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British Journal of Obstetrics and Gynaecology|August 1, 1975
Maternal plasma alphafetoprotein levels in the second half of normal pregnancy: relationship to fetal weight, and maternal age and parityA E Leek, C F Ruoss, M J Kitau, et al.
Journal of Immunological Methods|January 1, 1977
Particle counting immunoassay (PACIA). I. A general method for the determination of antibodies, antigens, and haptensC L Cambiaso, A E Leek, F De Steenwinkel, et al.
Lancet (London, England)|November 22, 1975
Levels of alpha-fetoprotein in maternal blood as a screening test for fetal neural-tube defectP C Leighton, M J Kitau, T Chard, et al.
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