41. Because they lack the crucial blood clotting factor, the patients suffer from dangerous spontaneous bleeding. 42. NBCA also sponsors educational seminars and publishes materials to raise awareness of blood clotting issues. 43. In 1940, Paul Fantl became interested in blood clotting . 44. Some arrhythmias promote blood clotting within the heart, and increase risk of embolus and stroke. 45. This fat helps reduce the risk of blood clotting . 46. In November, the company will release Phase III data for Hirulog, an anti-blood clotting agent. 47. But the role of blood clotting is a surprise. 48. Its ingredients already have been approved for other uses such as blood clotting and reducing inflammation. 49. Sa-nga died Thursday, seven weeks after he was admitted to a hospital with blood clotting problems. 50. Brinkhous'research on blood clotting began in the 1930s, when he was at the University of Iowa.
