...ren riverbanks huge shapes of misty cloud merge into distant mansions upside-down, many images spread on the autumn waters flowers drop from time to time onto the head of the fishe...
一些患者急性突发起病(flare-up),急性期食管克罗恩病因有食管炎或 食管溃疡 常引起吞咽疼痛,疼痛多位于胸骨后。口腔、咽部可见 溃疡 ,会阴部亦可出现溃疡。经皮质类固醇治疗可能使食管溃疡愈合。一些患者可发展为慢性病变,这种全壁层的炎症和狭窄可导致 吞咽困难 和吞咽疼痛、 恶心 ,患者常伴有 食欲不振 、倦怠、 体重减轻 。可伴有 发热 、关节痛、 结节...
...( Found in)→ 中国云南禄丰县 发现 地层 ( Stratum)→ ... 食性( Diet)→ 肉食 典型状态( Length up to)→ 高1.1米 长2米 推测体重( Mass)→ ... 发现者( Discoverer)→ 杨钟健 命名者( First described )→ 杨钟健 简介(Brief Introduction) 在禄...
...( Found in)→ 中国云南禄丰县 发现 地层 ( Stratum)→ ... 食性( Diet)→ 肉食 典型状态( Length up to)→ 高1.1米 长2米 推测体重( Mass)→ ... 发现者( Discoverer)→ 杨钟健 命名者( First described )→ 杨钟健 简介(Brief Introduction) 在禄...
...the South American lungfish (Lepidosirenparadoxa) When the pond dried up, the drill into the mud among the transition from gill respiration to swim bladder breathing, metabolism, r...
一、概念 定群研究 (cohortstudy)又称群组研究或追踪研究(follow up study),是将特定的人群按其是否暴露于某因素或按不同暴露水平分为n个组群或队列,追踪观察一定时间,比较两组或各组的 发病率 或 死亡率 ,以检验该因素与某 疾病 联系的假设。定群研究由于在疾病出现以前分组,向前追踪一段时间观察对比其结局,故又称追踪研究。 二、设计原...
...ired my ability in many things, but they were mean matters. Must the superior man have such variety of ability? He does not need variety of ability. Lao said, "The Master said, ’Ha...
...ts: the Third National Health and Nutrition Examination Survey Follow-up Study . Arch. Intern. Med.. March 2011, 171 (6): 507–15. doi : 10.1001/archinternmed.2010.440 . PMID 210983...
...ts: the Third National Health and Nutrition Examination Survey Follow-up Study . Arch. Intern. Med.. March 2011, 171 (6): 507–15. doi : 10.1001/archinternmed.2010.440 . PMID 210983...
...ot joyful? 麥秀歌 尚書大傳 麥秀蔪兮。黍禾蠅蠅。彼狡童兮。不我好仇。 The wheat sprouts are coming up and the corn leaves look shiny. That sly boy (referring to one king) will not be on good terms with me. 陸璣引...
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