TY - RPRT TI - Phospholipids accelerate factor IX activation by surface bound factor XIa. AU - C Mannhalter AU - S Schiffman AU - E Deutsch PY - 1984 DO - 10.1111/j.1365-2141.1984.tb03954.x UR - https://pubmed.ncbi.nlm.nih.gov/6607067/ ID - 6607067 ER -