Autor:	Cicciarello, Salvatore, Borgia, Guglielmo, Crowell, Jane, Ciampi, Rocco, Cerini, Raimondo, Orlando, Raffaele, Mainolfi, Michelina, Reynaud, Laura, Milano, Michele, Piazza, Marcello
Zdroj:	European Journal of Epidemiology, 1997 Jan 01. 13(1), 49-54.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/3582064 Zobrazit plný text záznamu Full text from SpringerLink