The Mesozoic pterosaur is considered to be the first vertebrate to achieve powered flight and new evidence, also the first of its kind, helps to pin down what exactly this flying reptile ate.

Thiocyanate concentration was similar throughout the stomach. Conclusions: The conditions favouring luminal generation of N -nitroso compounds from dietary nitrate are maximal at the most proximal ...

Stomach diseases include stomach cancer, gastritis, peptic ulcers, gastroparesis. Many stomach diseases are associated with infection, such as with Helicobacter pylori.

Objective The purpose of this study was the clinical and pathological characterisation of a new autosomal dominant gastric polyposis syndrome, gastric adenocarcinoma and proximal polyposis of the ...

Upper stomach pain can mean gas, indigestion, or stomach viruses. More severe causes can include appendicitis, gallstones, bowel obstruction, or peptic ulcers.

A new generation of infected terrorizes what little survivors remain in '28 Years Later.' A trusty and stomach-churning guide to the variants with the rage virus roaming the mainland.