TY  - GEN
AU  - Stärk,K D
AU  - Pfeiffer,D U
AU  - Morris,R S
TI  - Risk factors for respiratory diseases in New Zealand pig herds
SN  - 0048-0169
PY  - 2005///1003
N1  - Publication Type: Journal Article
UR  - https://doi.org/10.1080/00480169.1998.36043
ER  -