Hok Oei

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The efficacy of inactivated infectious bursal disease vaccines was determined by measuring both the antibody response of vaccinated chickens and clinical protection of progeny chicks from vaccinated(More)
A quantification assay for the Haemagglutinin-Neuraminidase (HN) protein of Newcastle Disease Virus (NDV) has been developed at CIDC-Lelystad as a candidate in vitro potency test for inactivated(More)