Warning: In the 1960s, laboratory tests determined that safrole, the major component of the oil of the sassafras root bark, was toxic to the liver and could cause cancer
Warning: In the 1960s, laboratory tests determined that safrole, the major component of the oil of the sassafras root bark, was toxic to the liver and could cause cancer
Warning: In the 1960s, laboratory tests determined that safrole, the major component of the oil of the sassafras root bark, was toxic to the liver and could cause cancer