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Annals of Clinical Biochemistry|July 1, 1976
A study of factors influencing continuous flow kinetics: the use of serum calcium estimation as a modelK SpencerPrenatal Diagnosis|July 5, 2001
Between pregnancy biological variability of first trimester markers of Down syndrome: implications for screening in subsequent pregnanciesK SpencerTalanta|October 1, 1984
Development of a light-scattering immunoassay for thyroxine-binding prealbumin in plasma or serumK SpencerAmerican Journal of Obstetrics and Gynecology|January 1, 1993
Free alpha-subunit of human chorionic gonadotropin in Down syndromeK SpencerPrenatal Diagnosis|January 1, 1995
The influence of gravidity on Down's syndrome screening with free beta hCGK SpencerPrenatal Diagnosis|January 1, 1997
Between-pregnancy biological variability of maternal serum alpha-fetoprotein and free beta hCG: implications for Down syndrome screening in subsequent pregnanciesK SpencerPrenatal Diagnosis|August 22, 2000
Second-trimester prenatal screening for Down syndrome and the relationship of maternal serum biochemical markers to pregnancy complications with adverse outcomeK SpencerBritish Journal of Obstetrics and Gynaecology|December 28, 1999
Second trimester prenatal screening for Down's syndrome using alpha-fetoprotein and free beta hCG: a seven year reviewK SpencerPrenatal Diagnosis|December 11, 1999
The influence of smoking on maternal serum PAPP-A and free beta hCG levels in the first trimester of pregnancyK SpencerPageof 52