“…J. Cancer (I 992), 66, 666 667 Discussion The contribution of Clostridium difficile as a cause of diarrhoea in patients with malignant diseases as reported by others (Cudmore et al, 1982;Morris et al, 1984;Miller & Koornhof, 1984;Rampling et al, 1985;Heard et al, 1988) was confirmed by the present study. However, most reports have dealt with description of single patients (Cudmore et al, 1982;Miller & Koornhof, 1984;Rampling et al, 1985;Fainstein et al, 1981), and only few studies have produced estimation of the incidence/prevalence of this infection in a prospectively manner (Morris et al, 1984;Heard et al, 1988).…”