21.   If pain from a corn persists, see a podiatrist.

22.   If pain persists, you may need an MRI scan to make a more accurate diagnosis.

23.   If the pain persists, I would suggest you have a second opinion from another surgeon.

24.   If the pain persists, he said, he will have the hip replaced.

25.   Murray was struck on the ankle in practice and underwent X-rays when the pain persisted.

26.   The initial diagnosis was a sprained left wrist, but when the pain persisted, further tests were taken and it was discovered his wrist was broken.

27.   The pain persisted.

28.   The pain persists to this day.

29.   The Mets had hoped resting the arm would solve the problem, but the pain persisted.

30.   The physical pain persisted, too.