So, there are still important differences in performance of pulse oximeters during challenging conditions.

Read on to learn about the history and the current understanding of this challenging condition.

It can provide opportunities for creative solutions to challenging conditions.

I have worked long hours in difficult and challenging conditions all my working life.

Under more challenging conditions, however, errors ranged from 8 to 42 percent.

The inquiry judged that the ship's company responded well to control damage in challenging conditions.

A challenging condition for beginners, especially if waves are present.

They are in it for the extraordinary wines that these challenging conditions can produce.

Observations have been made about the relationships or communities that are formed between plants in such challenging conditions.

Autism remains a challenging condition for children and their families, but the outlook today is much better than it was a generation ago.