title: False-positive activated protein C (APC) sensitivity ratio caused by freezing and by contamination of plasma with platelets.
mesh_terms: D016477:Artifacts; D001792:Blood Platelets / Q000502:physiology*; D001793:Blood Preservation; D015925:Cryopreservation; D005189:False Positive Reactions; D006801:Humans; D010314:Partial Thromboplastin Time; D011486:Protein C / Q000032:analysis*; D012680:Sensitivity and Specificity
chemical_list: D011486:Protein C