In a letter sent to the head of the U.S. Food and Drug Administration's Center for Drug Evaluation and Research, Wolfe outlined a statistical analysis he had done of a 1999 Pfizer-funded test of Celebrex as a preventative for Alzheimer's disease that had just been made available on an industry Web site of clinical trial results.

FORBES: The Celebrex Safety Mirage

On Monday morning, Leslie Wolfe visited Renee Patterson in her hospital room at Washington Hospital Center.

CNN: Massive transplant effort pairs 13 kidneys to 13 patients

"They say, 'Well, we'll tell her it's just a cold, or it's just a virus, or we'll tell her she'll have surgery and then everything will be fine, '" said Dr. Lawrence Wolfe, a pediatric hematologist-oncologist at Long Island Jewish Medical Center in New York.

CNN: 'Honey, you're really sick'