1.   First, lab results show that Phillips has type O blood, the same as that found at the crime scene.

2.   Fourteen friends, type O blood compatible, offered.

3.   The greatest need is for type O blood, both O-positive and O-negative.

4.   The New York Blood Center could not use them because they did not have type O blood.

5.   But many children, especially with type O blood, die waiting for a compatible heart.

6.   For example, an old sample of type AB blood can appear to be type B blood because of degradation.