Fig. 2From: Identification of missing hierarchical relations in the vaccine ontology using acquired term pairsValid missing is-a relation between concepts VO:0001507 and VO:0000753. A missing is-a relation identified between the concepts “Bovine Respiratory Syncytial Virus vaccine” (VO:0001507) and “Respiratory syncytial virus vaccine” (VO:0000753) was confirmed as valid by the domain expertBack to article page