H. Zhang, E. Triche, und B. Leaderer. American journal of epidemiology, 151 (12):
1206-15(Juni 2000)4421<m:linebreak></m:linebreak>LR: 20071114; PUBM: Print; GR: ES05410/ES/United States NIEHS; GR: HD30712/HD/United States NICHD; JID: 7910653; 0 (Air Pollutants); ppublish;<m:linebreak></m:linebreak>Sèries temporals.
H. Brønnum-Hansen. Journal of epidemiology and community health, 53 (5):
300-5(Mai 1999)4322<m:linebreak></m:linebreak>LR: 20061115; PUBM: Print; JID: 7909766; ppublish;<m:linebreak></m:linebreak>Risc atribuïble.