TY - RPRT TI - TIMING PLATELET AGGREGATION USING AN E.E.L. PROTHROMBIN METER. AU - I J COOK AU - C SYMONS PY - 1965 DO - 10.1016/s0140-6736(65)92726-1 UR - https://pubmed.ncbi.nlm.nih.gov/14288562/ ID - 14288562 ER -