The Lancet Gastroenterology and Hepatology期刊是否无法下载？

我在下载Effect of an artificial intelligence-assisted system on endoscopic diagnosis of superficial oesophageal squamous cell carcinoma and precancerous lesions: a multicentre, tandem, double-blind, randomised controlled trial Yuan, Xiang-Lei et al. The Lancet Gastroenterology & Hepatology, Volume 9, Issue 1, 34 - 44这篇文章时点击Get Access完成四川大学认证之后仍然显示Get Access（即依然无法获取PDF），因此想问一下四川大学图书馆是否购买了The Lancet Gastroenterology and Hepatology？为什么下载不了呢