Bone Marrow Aspirate and Trephine Biopsy Standard Operating Procedure Posted on April 17, 2020April 17, 2020Bone Marrow Aspirate and Trephine Biopsy Standard Operating ProcedureBone Marrow Aspirate Competency for BOB Posted in cancer, chemotherapy, Competency, policy and tagged Bone Marrow.Last updated: April 17, 2020