H. Zhang, E. Triche, and B. Leaderer. American journal of epidemiology, 151 (12):
1206-15(June 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.
P. Hsu, and W. Miller. Disability and rehabilitation, 28 (20):
1287-92(October 2006)6127<m:linebreak></m:linebreak>LR: 20081121; JID: 9207179; ppublish;<m:linebreak></m:linebreak>Validació d'escales.