title: Nutrition classics from The Journal of Biological Chemistry 138:21-33, 1941. Studies on the hemorrhagic sweet clover disease. IV. The isolation and crystallization of the hemorrhagic agent by Harold A. Campbell and Karl Paul Link.
mesh_terms: D000818:Animals; D000925:Anticoagulants / Q000302:isolation & purification; D003374:Coumarins / Q000302:isolation & purification; D006470:Hemorrhage / Q000662:veterinary; D049673:History, 20th Century; D010939:Plant Poisoning / Q000266:history* / Q000662:veterinary; D010944:Plants / Q000032:analysis; D011817:Rabbits; D014922:Wisconsin
chemical_list: D000925:Anticoagulants; D003374:Coumarins