Levine, Robert S., George S. Rust, Maria Pisu, Vincent Agboto, Peter A. Baltrus, Nathaniel C. Briggs, Roger Zoorob, Paul Juarez, Pamela C. Hull, Irwin Goldzweig et al. "Increased Black-White disparities in mortality after the introduction of lifesaving innovations: a possible consequence of US federal laws." American journal of public health 100, no. 11 (2010): 2176-84.