TY  - GEN
AU  - L'ecuyer,C
AU  - Switzer,W P
TI  - Virus Pneumonia of Pigs; Attempts at Propagation of the Causative Agent in Cell Cultures and Chicken Embryos
SN  - 0316-5957
PY  - 2007///0727
N1  - Publication Type: Journal Article
ER  -