gastrointestinal bleeding

基本解释

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。
They can cause life-threatening ulcers and gastrointestinal bleeding, a side effect that occurs more frequently and with greater severity as people age.
可能导致危及生命的溃疡和胃肠道出血，伴随着用药者年龄的增加，这种副作用发生的频率更高，程度更重。
Cow's milk can produce iron deficiency by providing little dietary iron itself, and at the same time producing iron loss by inducing gastrointestinal bleeding.
牛奶本身缺乏可食用铁，因此可能引起缺铁，同时可能引发肠胃流血造成铁的流失。

However, he says that for patients at risk of gastrointestinal bleeding, these might be important medicines.
FORBES: Pfizer's Heart Attack
Accusations include increased risk of gastrointestinal bleeding and heart attacks and slowdowns in the ulcer-healing process.
FORBES: Dr. Feelgood
Doubts grew that Avastin wouldn't work, or that some serious side effect such as gastrointestinal bleeding would ground the once-promising drug.
FORBES: Genentech's Winning Streak