Kaliuzhna, T. M. and Fotin, O. V. (2023) “DETERMINATION OF THE INFLUENCE OF INCOMBIVIT AND ASPIR-35 DRUGS ON PRODUCTIVITY, EGG QUALITY, HEMATOLOGICAL INDICATORS AND SERUM INDICATORS OF LAYING HENS, WHEN USED DURING THE SUMMER SEASON”, Bulletin of Sumy National Agrarian University. The series: Veterinary Medicine, (3(62), pp. 37-43. doi: 10.32782/bsnau.vet.2023.3.5.