title: Factors associated with the production of attenuated sheep pox vaccines.
mesh_terms: D000818:Animals; D002417:Cattle; D002478:Cells, Cultured; D003588:Cytopathogenic Effect, Viral; D005612:Freeze Drying; D005615:Freezing; D006358:Hot Temperature; D007668:Kidney; D008722:Methods; D011213:Poxviridae Infections / Q000517:prevention & control / Q000662:veterinary*; D012756:Sheep; D012757:Sheep Diseases / Q000517:prevention & control*; D014613:Vaccines, Attenuated; D014732:Vibration; D014765:Viral Vaccines / Q000302:isolation & purification*
chemical_list: D014613:Vaccines, Attenuated; D014765:Viral Vaccines