A study by Biggs in the British Journal of Haematology described the process of preparing Factor 9 concentrate using 45-50 litres of plasma.

Linked evidence

RLIT0000043_018 - Journal Article titled The Preparation and Assay of a Christmas-Factor concentrate in the treatment of two patients - 01 Jan 1961

Chronology Information

Date:

1 January 1961

Chapter/issue

Blood Products and Addressing Risk: Pool Sizes