21. Your headaches might be more serious than you thought, 22. Why is hepatitis B infection serious for babies? 23. They are not expensive and can save many lives and serious injuries. Beware of the cheap pan. 24. It is under serious peril and may dry up soon . 25. Black-head is a serious disease of the turkeys . 26. He was down with serious illness during the last days of his life. 27. Why are solid wastes cause for such serious concern ? 28. There were serious differences in the leadership even on basic issues . 29. His illness became more and more serious as days went by . 30. Afghanistan, we know what a serious security problem
