| B - Organisms 
 | Deleted term |  | Concept absorbed by | 
 
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| B01 - Eukaryota 
 
 
 
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| C - Diseases 
 | Deleted term |  | Concept absorbed by | 
 
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| C12 - Male Urogenital Diseases 
 
 
 
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| D - Chemicals and Drugs 
 | Deleted term |  | Concept absorbed by | 
 
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| D08 - Enzymes and Coenzymes 
 | DNA Topoisomerases, Type I, Archaeal |  | DNA Topoisomerases, Type I |  | DNA Topoisomerases, Type I, Bacterial |  | DNA Topoisomerases, Type I |  | DNA Topoisomerases, Type I, Eukaryotic |  | DNA Topoisomerases, Type I |  | DNA Topoisomerases, Type II, Archaeal |  | DNA Topoisomerases, Type II |  | DNA Topoisomerases, Type II, Bacterial |  | DNA Topoisomerases, Type II |  | DNA Topoisomerases, Type II, Eukaryotic |  | DNA Topoisomerases, Type II | 
 
 
 
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| E - Analytical, Diagnostic and Therapeutic Techniques and Equipment 
 | Deleted term |  | Concept absorbed by | 
 
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| E01 - Diagnosis 
 
 
 
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| G - Phenomena and Processes 
 | Deleted term |  | Concept absorbed by | 
 
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| G02 - Chemical Phenomena 
 
 
 
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| HP - Homeopathy 
 | Deleted term |  | Concept absorbed by | 
 
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| HP1 - Homeopathy 
 HP4 - Materia Medica
 
 
 
 
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| VS - Health Surveillance 
 | Deleted term |  | Concept absorbed by | 
 
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| VS2 - Health Surveillance of Products 
 
 
 
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