en alpharetrovirus (n)
― IsA ⟶
Weight: 1.0
en retrovirus (n) Source: OpenCyc 2012
en avian sarcoma leukosis virus (n)
― IsA ⟶
Weight: 1.0
en alpharetrovirus (n) Source: OpenCyc 2012
en rsv (n)
― IsA ⟶
Weight: 1.0
en alpharetrovirus (n) Source: OpenCyc 2012