By Faye Flam
Inquirer Staff Writer
Every day last summer, researchers John Maris and Yael Mosse waited eagerly for e-mail from a 24-year-old woman named Anna O'Connor - or her father, who was closely involved in her fight against a rare cancer.
By Faye Flam
Inquirer Staff Writer
John Maris has spent more than 20 years trying to understand why some children get an often-fatal cancer called neuroblastoma. There was no obvious environmental factor, and a genetic variation seemed to be involved. But how to find it?