1.
Veterinariia
; (8): 23-5, 1979 Aug.
Article
in Russian
| MEDLINE
| ID: mdl-158251
Subject(s)
Air Microbiology , Housing, Animal , Newcastle disease virus/physiology , Vaccination/veterinary , Aerosols , Animals , Chickens , Microclimate , Russia , Time Factors
2.
Veterinariia
; (12): 78-80, 1978 Dec.
Article
in Russian
| MEDLINE
| ID: mdl-734909