Authors:
Maas, RA
Oei, HL
Venema-Kemper, S
Koch, G
Bongers, J
Citation: Ra. Maas et al., Dose-response effects of inactivated Newcastle disease vaccines: Influenceof serologic assay, time after vaccination, and type of chickens, AVIAN DIS, 43(4), 1999, pp. 670-677