Effect of honeybee venom and Egyptian propolis on the honeybee (Apis mellifera L.) health in vivo. - Seyam, Heba; Metwally, Amr A. A.; El-Deeb, Ayman H.; El-Mohandes, Sawsan; Badr, Mohamed S.; Abd-El-Samie, Emtithal M. (Egyptian Journal of Biological Pest Control, 2022)