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Consortium of Swiss Academic Libraries

Saliva Cotinine Levels in Smokers and Nonsmokers

Etter, Jean-Francois ; Due, Trinh Vu ; Perneger, Thomas V.

In: American Journal of Epidemiology, 2000, vol. 151, no. 3, p. 251-258

Consortium of Swiss Academic Libraries

International Variability in Ages at Menarche, First Livebirth, and Menopause

Morabia, Alfredo ; Costanza, Michael C.

In: American Journal of Epidemiology, 1998, vol. 148, no. 12, p. 1195-1205