Anaerobian, bacteria, fungi, mycoplasma and exogenous avian leukemia virus and hemadsorption and non-hemadsorption viruses were negative.
厌氧菌、细菌、真菌、支原体、血吸附病毒、非血吸附病毒和外源性禽白血病病毒检测均为阴性。
2
The incidence of leukemia is generally believed that the reasons for the occurrence of the disease with ionizing radiation, certain chemicals, drugs, viruses and other factors.