merge(arr, left, mid, right); // 合并两部分
來自肯特郡的貝爾與其伴侶史蒂夫・鮑威爾（Steve Powell）向捐贈者及其家人的「善良與無私」致敬，感謝他們送出「不可思議的禮物」，同時也感謝牛津與倫敦的醫療團隊在整個過程提供支持。
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The new API makes you choose one of these four explicitly:
Patient leaflets on weight-loss injections state that gallstones are a "common" side effect, and in medical trials the injections also sometimes led to inflammation of the gallbladder. For example in Mounjaro, it has been reported this may affect up to 1 in 100 people.