BIO CEO John Crowley describes seeing the before and after chest X-rays of his daughter, Megan.
"I’d seen this in other children, but to see it in your own kids was a real gift," he tells CNBC’s Becky Quick.
Find more from CNBC Cures:
Enter your account data and we will send you a link to reset your password.
Here you'll find all collections you've created before.