21.   But a setback, a severe headache a week ago Saturday, put an end to that discussion.

22.   But he was fine, receiving nothing more than a severe headache.

23.   Charles awoke each morning with a severe headache that eased as the day progressed.

24.   Childs had a severe headache, but all tests were negative again.

25.   Coverdell had undergone surgery on Monday after being hospitalized for severe headaches.

26.   Couples suffered from a severe headache that kept him in bed until noon.

27.   Coverdell arrived at the hospital on Saturday evening after severe headaches.

28.   Does knowing that Thomas Jefferson had severe headaches enhance our understanding of the landmark document he produced?

29.   Dengue involves high fever, severe headache, joint and muscle pains and usually a long convalescence.

30.   Ehrlichiosis symptoms include severe headache, chills, vomiting and high fever.