New research suggests that a coronavirus infection alters the biomechanical properties of red and white blood cells, in some cases for months -- a possible explanation for long COVID.

Our technique was, basically, to incubate serum, plasma or the electrophoretic fractions with human brain thromboplastin and calcium chloride at 37° C., and at known intervals to add an aliquot ...

THE coumarin anticoagulants depress the synthesis of four clotting factors: prothrombin; proconvertin (factor VII); Stuart factor (factor X); and plasma thromboplastin component, or PTC (factor IX ...