1.
Avian Dis
; 15(3): 596-603, 1971.
Article
in English
| MEDLINE
| ID: mdl-5107296
Subject(s)
Air , Chickens , Filtration , Newcastle Disease/prevention & control , Poultry Diseases/prevention & control , Air Microbiology , Animals , Body Fluids/microbiology , Cross Infection/prevention & control , Cross Infection/veterinary , Evaluation Studies as Topic , Hemagglutination Inhibition Tests , Newcastle Disease/diagnosis , Newcastle disease virus/isolation & purification , Patient Isolators/veterinary , Poultry Diseases/diagnosis
2.
Avian Dis
; 15(2): 391-7, 1971.
Article
in English
| MEDLINE
| ID: mdl-4325826