There is probably an unbelievably long list of the challenges that human astronauts would face in the event of a manned mission to Mars. Dealing with time dilation is definitely on the list.

Persistent over-dilation of muscle microvasculature may be one cause of chronic limb-threatening ischemia, recent studies by Kuopio University Hospital and the University of Eastern Finland show.

The Friedman curve, the gold standard for rates of cervical dilation and fetal descent during active labor, was developed almost 50 years ago. To define a modern curve for normal labor ...

The stricture usually causes a high-grade or complete obstruction with marked proximal dilation. However, some authors have suggested that cholangiographic appearance of a biliary stricture is not ...