History of aspirin other studies from the 1960s to the 1980s established aspirin's efficacy as an anti-clotting agent that reduces the risk of clotting diseases. Aspirin sales revived considerably in the last decades of the twentieth century, and remain strong in the twenty-first with widespread use as a preventive treatment for heart attacks and strokes. Medicines derived from willow trees and other salicylate-rich plants have been part of pharmacopoeias at least dating back to ancient Sumer. The Ebers Papyrus, an Egyptian medical text from ca. 1543 BCE, mentions use of willow and myrtle (another salicylate-rich plant) to treat fever and pain. Willow bark
The Making of the Pentateuch resulted in many inconsistencies and repetitious stories, which could be analysed through the methodology of source criticism to reconstruct the original documents. Wellhausen had concentrated exclusively on the written text of the Pentateuch, but in the next generation Hermann Gunkel developed form criticism, a methodology which he claimed could identify the various genres which had contributed to the text and thus reconstruct its tradition history. Gunkel and his followers, notably Martin Noth, used this new methodology to discover the oral sagas which formed the basis of the written texts of the Pentateuch. By the middle of the 20th century, Wellhausen's