title: Karl Paul Link and the hemorrhagic agent in spoiled sweet clover.
mesh_terms: D000818:Animals; D002417:Cattle; D002621:Chemistry / Q000266:history; D003374:Coumarins / Q000266:history*; D049673:History, 20th Century; D006801:Humans; D014922:Wisconsin
chemical_list: D003374:Coumarins