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P. Williamson Medical Statistician

St Mary's Hospital

2

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Prenatal genetic services for Down's syndrome: access and provision in 1990–1991

2005 British Journal of Obstetrics and Gynaecology
- P. Williamson Medical Statistician
- J. Rhind Enquiry Coordinator and
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Antecedent circumstances surrounding neural tube defect births in 1990–1991

2005 British Journal of Obstetrics and Gynaecology
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