1.   A glancing hammer blow can cause nails to become projectiles.

2.   The blow caused a left oblique muscle contusion that kept Payton out of action for a week.

3.   Police said the blow caused Feingold to slip on the stairs, fatally hitting his head on a step.

4.   Abu-Elhawa got X-rays Thursday to see if the blows caused fractures.

5.   An autopsy found that he died from skull fractures and brain injuries caused by blows to the head.

6.   But a medical expert for the defense testified Wednesday that a single blow could have caused the rupture.

7.   Dr. Ira Kanfer, a defense witness, said a single blow could have caused the artery to rupture.

8.   The blows apparently caused hemorrhaging and internal bleeding.