Davis BR, Whitehead JK, Gill ME, Lee PN, Butterworth AD, Roe Fjc: Response of rat lung to inhaled tobacco smoke with or without prior exposure to 3,4-benzpyrene (BP) given by intratracheal instillation. Br J Cancer1975;31: 469-484.
2.
Til HP, Woutersen RA, Feron VJ, Hollanders Vhm, Falke HE: Two-year drinking-water study of formaldehyde in rats. Food Chem Toxicol1989;27:77-87.
3.
Martyn CN, Osmond C., Edwardson JA, Barker Djp, Harris EC, Lacey RF: Geographical relation between Alzheimer's disease and aluminium in drinking water. Lancet1989;i:59-62.
4.
Lee PN: Passive smoking and lung cancer association: A result of bias?Hum Toxicol1987;6: 517-524.