A 30 percent higher risk was found for combination supplements containing beta carotene and vitamin A, and a 10 percent risk for supplements combining beta carotene and vitamin E.
A 30 percent higher risk was found for combination supplements containing beta carotene and vitamin A, and a 10 percent risk for supplements combining beta carotene and vitamin E.
服用含有β-胡萝卜素和维生素A的制剂被发现有超过30％的风险，而服用含有β-胡萝卜素和维生素E的制剂则有超过10％的风险。