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. Author manuscript; available in PMC: 2014 Oct 1.
Published in final edited form as: Transfusion. 2013 Feb 5;53(10):2158–2163. doi: 10.1111/trf.12112

Figure 4. Reactions of patient’s antibody (diluted 1:50) with complexes of heparin:protamine prepared at various ratios.

Figure 4

The strongest reactions were obtained with complexes prepared using protamine sulfate 31 µg/ml and heparin 9 international units/ml (filled diamonds). No reactions were obtained with either of two normal sera (filled squares and triangles). Values shown are averages of triplicate determinations. Brackets denote 1.0 S.D.