Bucci G, Maini P, Contato E
P.M.P. Settore Bio-Tossicologico, USL 31 Ferrara.
Boll Ist Sieroter Milan. 1991;70(1-2):495-8.
The results of the investigations of Listeria held from 1985 to 1989 in samples of foods, surface waters and stools are reported. On the whole 98 strains of Listeria were isolated, 38 of which were L. monocytogenes. The first isolation of L. grayi from human stools is pointed out.