Iba, A M Studies on the use of a formic acid-propionic acid mixture (Bio-add) to control experimental Salmonella infection in broiler chickens. [electronic resource] - Avian pathology : journal of the W.V.P.A Jun 1995 - 303-11 p. digital Publication Type: Journal Article ISSN: 0307-9457 Standard No.: 10.1080/03079459508419071 doi