br08402  Human diseases
     br08401  Infectious diseases
     br08402_gene  Human diseases + Gene
     br08401_genome  Infectious diseases + Genome
     br08403  ICD-10 disease classification
     br08410  ICD-10 International Classification of Diseases
     br08420  ICD-O-3 International Classification of Diseases for Oncology
     br08430  Medical dictionary for regulatory activities (MedDRA)