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10. Maternal serum Down syndrome screening: free beta-protein is a more effective marker than human chorionic gonadotropin. Macri JN; Kasturi RV; Krantz DA; Cook EJ; Moore ND; Young JA; Romero K; Larsen JW Am J Obstet Gynecol; 1990 Oct; 163(4 Pt 1):1248-53. PubMed ID: 1699417 [TBL] [Abstract][Full Text] [Related]
11. First trimester biochemical screening for trisomy 21: the role of free beta-hCG and pregnancy associated plasma protein. Breimer L Ann Clin Biochem; 1995 Mar; 32 ( Pt 2)():233. PubMed ID: 7540382 [No Abstract] [Full Text] [Related]
12. A comparison of total and free beta-HCG assays in Down syndrome screening. Stone S; Henley R; Reynolds T; John R Prenat Diagn; 1993 Jun; 13(6):535-7. PubMed ID: 7690482 [TBL] [Abstract][Full Text] [Related]
13. Stability of intact chorionic gonadotropin (hCG) in serum, liquid whole blood, and dried whole-blood filter-paper spots: impact on screening for Down syndrome by measurement of free beta-hCG subunit. Spencer K; Macri JN; Carpenter P; Anderson R; Krantz DA Clin Chem; 1993 Jun; 39(6):1064-8. PubMed ID: 7684957 [TBL] [Abstract][Full Text] [Related]
15. The use of free beta-hCG in antenatal screening for Down's syndrome. Wald N; Densem J; Stone R; Cheng R Br J Obstet Gynaecol; 1993 Jun; 100(6):550-7. PubMed ID: 7687460 [TBL] [Abstract][Full Text] [Related]
16. hCG and the free beta-subunit as screening tests for Down syndrome. Knight GJ; Palomaki GE; Neveux LM; Fodor KK; Haddow JE Prenat Diagn; 1998 Mar; 18(3):235-45. PubMed ID: 9556040 [TBL] [Abstract][Full Text] [Related]
17. Screening for Down's syndrome. The role of intact hCG and free subunit measurement. Spencer K Scand J Clin Lab Invest Suppl; 1993; 216():79-96. PubMed ID: 7690984 [TBL] [Abstract][Full Text] [Related]
18. Free beta-hCG as first-trimester marker for fetal trisomy. Spencer K; Macri JN; Aitken DA; Connor JM Lancet; 1992 Jun; 339(8807):1480. PubMed ID: 1376387 [No Abstract] [Full Text] [Related]
19. Down's syndrome screening in multiple pregnancies using alpha-fetoprotein and free beta hCG. Spencer K; Salonen R; Muller F Prenat Diagn; 1994 Jul; 14(7):537-42. PubMed ID: 7526363 [TBL] [Abstract][Full Text] [Related]
20. The stability of blood samples for the measurement of the free beta subunit of chorionic gonadotrophin. Stone SJ; Henley R Prenat Diagn; 1995 Jan; 15(1):95-6. PubMed ID: 7537882 [No Abstract] [Full Text] [Related] [Next] [New Search]