Traditional Chinese medicines derived from the human body estimated without reference to their Chinese context." (Cooper & Sivin 1973: 203). They selected 8 widely used human drugs from the 37 listed in "Bencao gangmu" chapter 52: human hair, nails, teeth, milk, blood, semen, saliva, and bone. For each substance, Cooper and Sivin first analyzed the "Bencao gangmu" information about drug preparation and use, and then commented on the known chemical composition of the human drug and other ingredients in the prescriptions. Cooper & Sivin (1973: 259-60, Table 8.1) applied the criteria of clinical pharmacology to analyze the possible medicinal value of the "Bencao gangmu" pharmacopeia's human drug prescriptions
The Hardest Day only from due east, from Germany itself; prior to the German victory in Western Europe. The possibility that France might fall and Britain would continue to fight on had not been considered. An air attack from Germany meant the Luftwaffe's bombers would operate beyond the range of their fighters and be vulnerable to attack. If twin-engine fighters, such as the Messerschmitt Bf 110s were used, they would be fighting at the limits of their range. It was also doubted that fast fighter aircraft could engage in dogfights. The g-force effect on the human body also seemed to suggest the prospect