Haematology Haematology Latest Posts Haematology Advice – Barts Health DOAC referrals to Homerton Retest intervals for Ferritin, B12 and Folate Quick Links Minimum Retest Intervals DOAC referrals to Homerton May 16, 2023 Haematology Advice – Barts Health January 16, 2025 Retest intervals for Ferritin, B12 and Folate March 17, 2023