At the heart of China’s economic take-off during the last four decades is a fragile equilibrium between economic reforms and one-party rule. The communist party has demonstrated pragmatism and adaptability – but just at a time when China seeks to fully enter the knowledge economy and participate in global markets, it has put the brake on further reforms.

Blood sample contamination happens easily, for example when red blood cells burst due to improper handling. Opinions on how to deal with test results obtained from these unsuitable samples differ.