Improving food safety along the pork value chain in Vietnam – PigRISK - Unger, Fred; Hung Nguyen-Viet; Hung, P.V.; Phuc Pham Duc; Xuan, S.D.; Nga, N.T.D.; Lapar, Ma. Lucila; Ngan, P.H.; Grace, Delia (International Livestock Research Institute, 2018)