| A - ANATOMY 
 | Changed terms |  | Replaced-by | 
 
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| A02 - MUSCULOSKELETAL SYSTEM A11 - CELLS
 
 | CHROMOSOMES, BACTERIAL ARTIFICIAL |  | CHROMOSOMES, ARTIFICIAL, BACTERIAL |  | CHROMOSOMES, HUMAN ARTIFICIAL |  | CHROMOSOMES, ARTIFICIAL, HUMAN |  | CHROMOSOMES, HUMAN, 21-22 |  | CHROMOSOMES, HUMAN, 21-22 AND Y |  | CHROMOSOMES, HUMAN, 6-12 |  | CHROMOSOMES, HUMAN, 6-12 AND X |  | CHROMOSOMES, MAMMALIAN ARTIFICIAL |  | CHROMOSOMES, ARTIFICIAL, MAMMALIAN |  | CHROMOSOMES, YEAST ARTIFICIAL |  | CHROMOSOMES, ARTIFICIAL, YEAST | 
 
 
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| B - ORGANISMS 
 | Changed terms |  | Replaced-by | 
 
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| B02 - VERTEBRATES B03 - BACTERIA
 B04 - VIRUSES
 
 B06 - PLANTS| ABELSON LEUKEMIA VIRUS |  | ABELSON MURINE LEUKEMIA VIRUS |  | AKR VIRUS |  | AKR MURINE LEUKEMIA VIRUS |  | BUNYAMWERA GROUP VIRUSES |  | BUNYAMWERA VIRUS |  | CALIFORNIA GROUP VIRUSES |  | ENCEPHALITIS VIRUS, CALIFORNIA |  | DIARRHEA VIRUS, BOVINE VIRAL |  | DIARRHEA VIRUSES, BOVINE VIRAL |  | ECHOVIRUS 6 |  | ECHOVIRUS 6, HUMAN |  | ENCEPHALOMYELITIS VIRUS, MURINE |  | MAUS ELBERFELD VIRUS |  | FRIEND VIRUS |  | FRIEND MURINE LEUKEMIA VIRUS |  | GASTROENTERITIS VIRUS, MURINE |  | MURINE HEPATITIS VIRUS |  | GASTROENTERITIS VIRUS, PORCINE TRANSMISSIBLE |  | TRANSMISSIBLE GASTROENTERITIS VIRUS |  | HARVEY SARCOMA VIRUS |  | HARVEY MURINE SARCOMA VIRUS |  | HEPATITIS C-LIKE VIRUSES |  | HEPACIVIRUS |  | HERPESVIRUS 2, SAIMIRINE |  | HERPESVIRUS 2, SAIMIRIINE |  | HERPESVIRUS, KAPOSI SARCOMA-ASSOCIATED |  | HERPESVIRUS 8, HUMAN |  | HOG CHOLERA VIRUS |  | CLASSICAL SWINE FEVER VIRUS |  | HTLV-I |  | HUMAN T-LYMPHOTROPIC VIRUS 1 |  | HTLV-II |  | HUMAN T-LYMPHOTROPIC VIRUS 2 |  | INFECTIOUS BRONCHITIS VIRUS, AVIAN |  | INFECTIOUS BRONCHITIS VIRUS |  | INFECTIOUS PERITONITIS VIRUS, FELINE |  | CORONAVIRUS, FELINE |  | JAAGSIEKTE SHEEP RETROVIRUS |  | OVINE PULMONARY ADENOCARCINOMA VIRUS |  | KIRSTEN SARCOMA VIRUS |  | KIRSTEN MURINE SARCOMA VIRUS |  | LACTATE DEHYDROGENASE VIRUS |  | LACTATE DEHYDROGENASE-ELEVATING VIRUS |  | LCM-LASSA COMPLEX VIRUSES |  | ARENAVIRUSES, OLD WORLD |  | LEUKEMIA VIRUSES, MURINE |  | LEUKEMIA VIRUS, MURINE |  | MAMMARY TUMOR VIRUSES, MOUSE |  | MAMMARY TUMOR VIRUS, MOUSE |  | MOLONEY LEUKEMIA VIRUS |  | MOLONEY MURINE LEUKEMIA VIRUS |  | MOLONEY SARCOMA VIRUS |  | MOLONEY MURINE SARCOMA VIRUS |  | PARAMYXOVIRUS |  | RESPIROVIRUS |  | POLIOVIRUSES, HUMAN 1-3 |  | POLIOVIRUS |  | POLYOMAVIRUS HOMINIS 1 |  | BK VIRUS |  | POLYOMAVIRUS HOMINIS 2 |  | JC VIRUS |  | POLYOMAVIRUS MACACAE |  | SIMIAN VIRUS 40 |  | RETICULOENDOTHELIOSIS VIRUS, AVIAN |  | RETICULOENDOTHELIOSIS VIRUSES, AVIAN |  | RETICULOENDOTHELIOSIS VIRUSES |  | RETICULOENDOTHELIOSIS VIRUS |  | RETROVIRUSES TYPE C, AVIAN |  | ALPHARETROVIRUS |  | RETROVIRUSES TYPE C, MAMMALIAN |  | GAMMARETROVIRUS |  | SARCOMA VIRUS, FELINE |  | SARCOMA VIRUSES, FELINE |  | SARCOMA VIRUSES, SIMIAN |  | SARCOMA VIRUS, WOOLLY MONKEY |  | SIMBU GROUP VIRUSES |  | SIMBU VIRUS |  | SWINE INFERTILITY AND RESPIRATORY SYNDROME VIRUS |  | PORCINE RESPIRATORY AND REPRODUCTIVE SYNDROME VIRUS |  | TACARIBE COMPLEX VIRUSES |  | ARENAVIRUSES, NEW WORLD |  | THEILER MURINE ENCEPHALOMYELITIS VIRUS |  | THEILOVIRUS |  | THOGOTO-LIKE VIRUSES |  | THOGOTOVIRUS |  | TOBACCO MOSAIC VIRUS SATELLITE |  | TOBACCO MOSAIC SATELLITE VIRUS |  | UUKUNIEMI GROUP VIRUSES |  | UUKUNIEMI VIRUS | 
 
 
 
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| B - ORGANISMS 
 | Changed terms |  | Replaced-by | 
 
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| B02 - VERTEBRATES B03 - BACTERIA
 B04 - VIRUSES
 
 B06 - PLANTS| ABELSON LEUKEMIA VIRUS |  | ABELSON MURINE LEUKEMIA VIRUS |  | AKR VIRUS |  | AKR MURINE LEUKEMIA VIRUS |  | BUNYAMWERA GROUP VIRUSES |  | BUNYAMWERA VIRUS |  | CALIFORNIA GROUP VIRUSES |  | ENCEPHALITIS VIRUS, CALIFORNIA |  | DIARRHEA VIRUS, BOVINE VIRAL |  | DIARRHEA VIRUSES, BOVINE VIRAL |  | ECHOVIRUS 6 |  | ECHOVIRUS 6, HUMAN |  | ENCEPHALOMYELITIS VIRUS, MURINE |  | MAUS ELBERFELD VIRUS |  | FRIEND VIRUS |  | FRIEND MURINE LEUKEMIA VIRUS |  | GASTROENTERITIS VIRUS, MURINE |  | MURINE HEPATITIS VIRUS |  | GASTROENTERITIS VIRUS, PORCINE TRANSMISSIBLE |  | TRANSMISSIBLE GASTROENTERITIS VIRUS |  | HARVEY SARCOMA VIRUS |  | HARVEY MURINE SARCOMA VIRUS |  | HEPATITIS C-LIKE VIRUSES |  | HEPACIVIRUS |  | HERPESVIRUS 2, SAIMIRINE |  | HERPESVIRUS 2, SAIMIRIINE |  | HERPESVIRUS, KAPOSI SARCOMA-ASSOCIATED |  | HERPESVIRUS 8, HUMAN |  | HOG CHOLERA VIRUS |  | CLASSICAL SWINE FEVER VIRUS |  | HTLV-I |  | HUMAN T-LYMPHOTROPIC VIRUS 1 |  | HTLV-II |  | HUMAN T-LYMPHOTROPIC VIRUS 2 |  | INFECTIOUS BRONCHITIS VIRUS, AVIAN |  | INFECTIOUS BRONCHITIS VIRUS |  | INFECTIOUS PERITONITIS VIRUS, FELINE |  | CORONAVIRUS, FELINE |  | JAAGSIEKTE SHEEP RETROVIRUS |  | OVINE PULMONARY ADENOCARCINOMA VIRUS |  | KIRSTEN SARCOMA VIRUS |  | KIRSTEN MURINE SARCOMA VIRUS |  | LACTATE DEHYDROGENASE VIRUS |  | LACTATE DEHYDROGENASE-ELEVATING VIRUS |  | LCM-LASSA COMPLEX VIRUSES |  | ARENAVIRUSES, OLD WORLD |  | LEUKEMIA VIRUSES, MURINE |  | LEUKEMIA VIRUS, MURINE |  | MAMMARY TUMOR VIRUSES, MOUSE |  | MAMMARY TUMOR VIRUS, MOUSE |  | MOLONEY LEUKEMIA VIRUS |  | MOLONEY MURINE LEUKEMIA VIRUS |  | MOLONEY SARCOMA VIRUS |  | MOLONEY MURINE SARCOMA VIRUS |  | PARAMYXOVIRUS |  | RESPIROVIRUS |  | POLIOVIRUSES, HUMAN 1-3 |  | POLIOVIRUS |  | POLYOMAVIRUS HOMINIS 1 |  | BK VIRUS |  | POLYOMAVIRUS HOMINIS 2 |  | JC VIRUS |  | POLYOMAVIRUS MACACAE |  | SIMIAN VIRUS 40 |  | RETICULOENDOTHELIOSIS VIRUS, AVIAN |  | RETICULOENDOTHELIOSIS VIRUSES, AVIAN |  | RETICULOENDOTHELIOSIS VIRUSES |  | RETICULOENDOTHELIOSIS VIRUS |  | RETROVIRUSES TYPE C, AVIAN |  | ALPHARETROVIRUS |  | RETROVIRUSES TYPE C, MAMMALIAN |  | GAMMARETROVIRUS |  | SARCOMA VIRUS, FELINE |  | SARCOMA VIRUSES, FELINE |  | SARCOMA VIRUSES, SIMIAN |  | SARCOMA VIRUS, WOOLLY MONKEY |  | SIMBU GROUP VIRUSES |  | SIMBU VIRUS |  | SWINE INFERTILITY AND RESPIRATORY SYNDROME VIRUS |  | PORCINE RESPIRATORY AND REPRODUCTIVE SYNDROME VIRUS |  | TACARIBE COMPLEX VIRUSES |  | ARENAVIRUSES, NEW WORLD |  | THEILER MURINE ENCEPHALOMYELITIS VIRUS |  | THEILOVIRUS |  | THOGOTO-LIKE VIRUSES |  | THOGOTOVIRUS |  | TOBACCO MOSAIC VIRUS SATELLITE |  | TOBACCO MOSAIC SATELLITE VIRUS |  | UUKUNIEMI GROUP VIRUSES |  | UUKUNIEMI VIRUS | 
 
 
 
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| C - DISEASES 
 | Changed terms |  | Replaced-by | 
 
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| C01 - BACTERIAL INFECTIONS AND MYCOSES C02 - VIRUS DISEASES
 C05 - MUSCULOSKELETAL DISEASES
 C08 - RESPIRATORY TRACT DISEASES
 C12 - UROLOGIC AND MALE GENITAL DISEASES
 C13 - FEMALE GENITAL DISEASES AND PREGNANCY COMPLICATIONS
 C15 - HEMIC AND LYMPHATIC DISEASES
 C16 - CONGENITAL, HEREDITARY, AND NEONATAL DISEASES AND ABNORMALITIES
 C20 - IMMUNOLOGIC DISEASES
 
 
 
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| D - CHEMICALS AND DRUGS 
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| D01 - INORGANIC CHEMICALS D02 - ORGANIC CHEMICALS
 D03 - HETEROCYCLIC COMPOUNDS
 D04 - POLYCYCLIC HYDROCARBONS
 D06 - HORMONES, HORMONE SUBSTITUTES, AND HORMONE ANTAGONISTS
 D08 - ENZYMES, COENZYMES, AND ENZYME INHIBITORS
 D11 - GROWTH SUBSTANCES, PIGMENTS, AND VITAMINS
 D12 - AMINO ACIDS, PEPTIDES, AND PROTEINS
 D22 - ANTINEOPLASTIC AND IMMUNOSUPPRESSIVE AGENTS
 D24 - IMMUNOLOGIC AND BIOLOGICAL FACTORS
 
 
 
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| E - ANALYTICAL, DIAGNOSTIC AND THERAPEUTIC TECHNIQUES AND EQUIPMENT 
 | Changed terms |  | Replaced-by | 
 
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| E02 - THERAPEUTICS E05 - INVESTIGATIVE TECHNIQUES
 
 
 
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| G - BIOLOGICAL SCIENCES 
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| G05 - GENETICS 
 
 
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| H - PHYSICAL SCIENCES 
 | Changed terms |  | Replaced-by | 
 
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| H01 - NATURAL SCIENCES 
 
 
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| I - ANTHROPOLOGY, EDUCATION, SOCIOLOGY AND SOCIAL PHENOMENA 
 | Changed terms |  | Replaced-by | 
 
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| I01 - SOCIAL SCIENCES 
 
 
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