TY  - JOUR 
T1  - Survey of infectious laryngotracheitis outbreak in layer hens and differential diagnosis with other respiratory pathogens
JO  - Brazilian Journal of Poultry Science
A1  - Chacón, JLV
A1  - Brandão, PEB
A1  - Villarreal, LYB
A1  - Gama, NM
A1  - Ferreira, AJP
SN  - 1516-635X
UL  - 10.1590/S1516-635X2007000100009
VL  - 9 
Y1  - 2007
PB  - Brasil 
ER  -