Schimmel D, Erler W
Institut für bakterielle Tierseuchenforschung Jena-Zwätzen.
Zentralbl Veterinarmed B. 1991 Jul;38(5):382-4.
The intratracheal application of crude and purified toxin of P. multocida serovar D in primary SPF-piglets resulted, apart from turbinate atrophies, in lobular to lobularly confluent catarrhalic pneumonias.