http://tobaccodocuments.org/women/26390.html
Shook Hardy & Bacon; Merlo, Ellen; Wakeham, Helmut R. R., Ph.D. "Environmental Tobacco Smoke & Indoor Air Quality Article Summaries From Current Developments Reports Compilation 1". 01 Jul 1992. Bates: 2048773417-2048773508.
http://tobaccodocuments.org/women/26390.html