1·Epidemiological studies have found that children with PDD have no higher prevalence of gastrointestinal tract than normal children.
流行病学研究发现，广泛性发育障碍（Pervasive Developmental Disorder）孩子和正常孩子相比较并没有更高的胃肠道患病率。
2·This will allow the robot to crawl around the gastrointestinal tract, perform treatment with appropriate surgical tools, and perform biopsies.
这将使机器人可以在胃肠道周围爬行，用适当的外科手术工具施行治疗，且可以进行活体组织检查。
3·The solubility, stability in gastrointestinal tract, membrane permeability and presystemic metabolism of drugs were the major factors on oral drug absorption.
药物的溶解性，在胃肠道中的稳定性，膜的通透性和全身代谢是影响口服药物吸收的主要因素。
4·It helps their gastrointestinal tracts develop and mature.
它有助于婴儿的胃肠道发育并成熟。
5·Gastrointestinal disorders, such as inflammatory bowel disease and Crohn's disease.
胃肠功能紊乱，如炎症性肠道疾病和克罗恩病。
6·He also studied specific cancers of the gastrointestinal tract, lung and breast.
他甚至研究了一些具体的癌症，比如胃癌，肠癌，肺癌和乳腺癌。
7·Symptoms include fever and muscle aches, often with other gastrointestinal symptoms.
病症包括发烧和肌肉疼痛，常伴有其他肠胃病的症状。
8·Many people with ASDs have sensory difficulties, and some have gastrointestinal problems.
很多患有自闭症的人感觉困难，有些人还有胃肠道问题。
9·That can lead to severe joint problems, gastrointestinal bleeding, strokes and hemorrhage.
这可能导致严重的并发症，比如消化道出血、中风和脑出血。
10·Symptoms ranging from rashes, gastrointestinal problems, and life-threatening anaphylaxis.
这种过敏引发许多症状，包括疹子，胃肠功能紊乱，甚至危及生命的过敏症状。