Pugina P, Benzi G, Giraldi V, Mingrone M G, Fantasia Mazzotti M
Boll Ist Sieroter Milan. 1984 May 31;63(2):100-3.
665 samples of milk, 20 of bovine faeces, 7 of human faeces of cowherd and some water samples are examined. 44 strains of Yersinia sp. are isolated of which 16 from patients and carriers in the same area. Strains belonging to the same bioserotype have been isolated from more than one source. Possibility of reciprocal contamination is discussed.