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The Journal of Biological Chemistry|June 25, 1975
The activation of coagulation factor X. Identity of cleavage sites in the alternative activation pathways and characterization of the COOH-terminal peptideJ Jesty, A K Spencer, Y Nakashima, et al.BMJ (Clinical Research Ed.)|December 4, 1993
Prenatal screening for trisomy 18 with free beta human chorionic gonadotrophin as a markerK Spencer, A S Mallard, E J Coombes, et al.Prenatal Diagnosis|May 29, 2010
PP13 stability in first trimester maternal serum and whole bloodN J Cowans, A Stamatopoulou, S Jaakohuhta, et al.Prenatal Diagnosis|October 20, 2000
The influence of parity and gravidity on first trimester markers of chromosomal abnormalityK Spencer, C Y Ong, A W Liao, et al.Journal of the American Chemical Society|December 22, 2016
Stabilization, Assembly, and Toxicity of Trimers Derived from AβAdam G Kreutzer, Stan Yoo, Ryan K Spencer, et al.Prenatal Diagnosis|March 29, 2002
Biochemical screening for Down syndrome in pregnancies following renal transplantationC N Karidas, G D Michailidis, K Spencer, et al.Fetal Diagnosis and Therapy|May 1, 1997
Prenatal diagnosis of trisomy 21 in monozygotic twins with increased nuchal translucency and abnormal serum biochemistryS M Verdin, J M Braithwaite, K Spencer, et al.Prenatal Diagnosis|May 21, 2005
Second-trimester levels of pregnancy-associated plasma protein-A and free beta-hCG in pregnancies with trisomy 13K Spencer, J A Crossley, D A Aitken, et al.Prenatal Diagnosis|August 22, 2000
First trimester maternal serum AFP and total hCG in aneuploidies other than trisomy 21K Spencer, V Heath, N Flack, et al.Comparative Biochemistry and Physiology. Part A, Molecular & Integrative Physiology|December 19, 2000
Stable lead isotope ratios from distinct anthropogenic sources in fish otoliths: a potential nursery ground stock markerK Spencer, D J Shafer, R W Gauldie, et al.Pageof 52