Iliac venous outflow obstruction has an important ... A slit-like narrowing of the lumen of a vein, even with no alteration in cross-sectional area, may increase resistance to flow.

Vascular. 2007;15(5):273-280.

Most Common English Phrases for School Students: Learning English can be a fun and exciting experience, especially when you know some of the most common phrases used in school settings.

What is Coldham’s Common parkrun? A free, fun, and friendly weekly 5k community event. Walk, jog, run, volunteer or spectate – it's up to you!