Protection against Pasteurella multocida conferred by an intranasal fowl cholera vaccine in Khaki Campbell ducks - Pichayanut Poolperm; Nisachon Apinda; Yasushi Kataoka; Wittaya Suriyasathaporn; Khajohnsak Tragoolpua; Takuo Sawada; Nattawooti Sthitmatee (The Japanese Journal of Veterinary Research, 2018)