https://www.sigmaaldrich.com/BR/en/products/clinical-diagnostics/blood-typing/blood-typing-intermediates
Blood Typing Intermediates (FFMU)
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https://www.lornelabs.com/products/blood-transfusion/for-further-manufacturing-use-ffmu-products/anti-ab-monoclonal-ffmu
Anti-A,B Monoclonal (FFMU) | Lorne Laboratories UK
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