American College of Obstetricians and Gynecologists

Diffuse (length greater than 2cm) or excessive tortuosity of proximal segment or extremely angulated segments greater than 90 degrees or total occlusions…

Tubular (10-20 mm length) or eccentric or moderate tortuosity of proximal segment or moderately angulated segment, 45-90 degrees or irregular contour or…

Discrete (less than 10 mm length) and concentric and readily accessible and non-angulated segment less than 45 degrees and smooth contour and…

A classification system for coronary stenosis based upon characteristics that influence the difficulty of percutaneous coronary revascularization.

The American Cocker Spaniel has very long hanging ears, a rounded head, and a profuse, feathered, medium-length coat. The body is compact,…

A nationwide, community-based voluntary health organization, the largest private source of cancer research funds in the U.S. Headquartered in Atlanta, Georgia, the…