Garrett Bayrd

A clinical trial of beta carotene to prevent basal-cell and squamous-cell cancers of the skin. The Skin Cancer Prevention Study Group

New England Journal of Medicine · 1990 · 372 citations

The Skin Cancer Prevention Study: design of a clinical trial of beta-carotene among persons at high risk for nonmelanoma skin cancer

Controlled Clinical Trials · 1989 · 30 citations