π€ Callebaut, P. E. Keywords π rectal swabs (30) π neutralizing antibodies (122) π clinical signs (108) π infectious virus (88) π infected cells (307) π nucleic acid (139) π cell culture (240) π incubation period (74) Articles (1) Characteristics of a coronavirus causing vomition and wasting in pigs π€ Pensaert, M. B. π€ Callebaut, P. E. β° 1974 π Archiv fΓΌr die gesamte Virusforschung