From: An approach to semantic query expansion system based on Hepatitis ontology
Fig. 9
Fig. 2
n1
ViralHepatitis
n2
Hepatitis_A
n3
Hepatitis_B
n4
Hepatitis_C
n5
Hepatitis_D
n6
Hepatitis_E
n7
Hbv_acute
n8
Hbv_chronic
n9
Hbv_severe
n10
Hbv_cholestatic
n11
Hbv_cirrhosis