Excerpts from this story referencing Peter Valberg

"… such cigarettes are safer than regular ones. ‘Very unusual position’ Peter Valberg of Gradient Corp. was Philip Morris’s star witness in a Boston class-act …"

Excerpts from this story referencing Peter Valberg

"… in tumors couldn’t have been caused by vinyl chloride. One such expert, Peter Valberg of Gradient Corp., wrote that the families in McCullom Lake were citi …"

Excerpts from this story referencing Peter Valberg

"… n came up with a new culprit: tobacco. Nelson sent a typo-ridden email to Peter Valberg of Cambridge, Massachusetts. A former professor at the Harvard School of P …"

"… aim that smoking causes mesothelioma. Nobody has ever gone that far before Peter Valberg.” Acton did a little research and discovered that Valberg had just co-a …"