of or relating to the early phases of a disease when accurate diagnosis is not possible because symptoms of the disease have not yet appeared
例句
Hydrophobic preclinical passed, still have a thing? 狂犬病潜伏期过了，还有没有事？
BPI-1095 which is derived fromNO-ASAs is still under preclinical study phase. BPI-1095 是NO-ASA 类新药,目前处于临床前研究阶段。
Preclinical testing for safety and efficacy: risk/benefit ratio assessment. 临床前的安全性及有效性测试应用：风险/获益比评估。
GL59728, its first non-nucleoside preclinical development candidate. GL59728, 它的第一非核潜伏期的发育候选人。
This paper review the extant neuropsychological and neuroimaging literature on preclinical Alzheimer's disease(AD). 摘要本文复习了亚临床阿尔茨海默病(AD)的神经心理学和影像学研究文献。
Preclinical studies have shown that PDT of Tumor auguments the host specific antitumor immune response. 许多动物实验表明，PDT治疗后，机体产生了特异性抗肿瘤免疫反应。
