The bold claims were apparently persuasive. A study published in The Lancet last week found that new outpatient prescriptions of leucovorin for children ages 5 to 17 shot up 71 percent in the three months after the Trump administration's actions.
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（本报记者窦瀚洋、丁雅诵、张文豪、李俊杰、杨颜菲整理）