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  1. pdfNLM Technical Bulletin, no.201-212 
    https://www.nlm.nih.gov/.../nlmarchives/techbull/201-212-1986.pdf
    ... DIGESTIVE SYSTEM DISEASES ENZYMES EQUIPMENT A#D SUPPLIES GASTROINTESTINAL DISEASES GENETICS HEALTH FACILITIES HEALTH SERVICES HEART DISEASES HORMONES ...
  2. pdf213-224-1987.pdf 
    https://www.nlm.nih.gov/.../nlmarchives/techbull/213-224-1987.pdf
    ... DIGESTIVE SYSTEM DISEASES ENZYMES EQUIPMENT A//D SUPPLIES GASTROINTESTINAL DISEASES GENETICS HEALTH FACILITIES HEALTH SERVICES HEART DISEASES HORMONES ...
  3. pdfNLM Technical Bulletin, no.246-248 
    https://www.nlm.nih.gov/.../nlmarchives/techbull/246-248-1989.pdf
    ... DIGESTIVE SYSTEM DISEASES ENZYMES EQUIPMENT A#D SUPPLIES GASTROINTESTINAL DISEASES GENETICS HEALTH FACILITIES HEALTH SERVICES HEART DISEASES HORMONES ...
  4. pdfNLM Technical Bulletin, no.249-257 
    https://www.nlm.nih.gov/.../nlmarchives/techbull/249-257-1990.pdf
    ... DIGESTIVE SYSTEM DISEASES ENZYMES EQUIPMENT A#D SUPPLIES GASTROINTESTINAL DISEASES GENETICS HEALTH FACILITIES HEALTH SERVICES HEART DISEASES HORMONES ...
  5. pdfNLM Technical Bulletin, September-October 1995 
    https://www.nlm.nih.gov/...nical_bulletin_september_october_1995.pdf
    ... Diseases Enzymes Epidemiologic Methods Equipment a#d Supplies Gastrointestinal Diseases Genetics Health Facilities Health Personnel Health Services Heart ...
  6. pdfNLM Technical Bulletin, September-October 1996 
    https://www.nlm.nih.gov/...nical_bulletin_september_october_1996.pdf
    ... Diseases Enzymes Epidemiologic Methods Equipment a#d Supplies Gastrointestinal Diseases Genetics Health Facilities Health Personnel Health Services Heart ...
  7. 2019New_Mesh_Tree_Hierarchy.txt 
    https://www.nlm.nih.gov/.../download/2019New_Mesh_Tree_Hierarchy.txt
    ... Neoplasms C06.301.780 Peritoneal Neoplasms C06.405 Gastrointestinal Diseases C06.405.117 Esophageal Diseases C06.405.117. ... 550.384 Granulomatosis, Orofacial C23.550.393 Growth Disorders C23.550.393.450 ... C23.550.414.788 Gastrointestinal Hemorrhage C23.550.414.788.400 Hematemesis C23. ...
  8. pdfNLM Technical Bulletin, no.189-200 
    https://www.nlm.nih.gov/.../nlmarchives/techbull/189-200-1985.pdf
    ... E6 El.223 C6 ENZYMES EQUIPMENT AND SUPPLIES GASTROINTESTINAL DISEASES GENETICS D6.586 E7 C6.405 G5 HEALTH ... ONCOGENIC TRANSFORMATION MODIFICATION OF CARCINOGENESIS ORGAN SITE ... tree numbers for COMMUNICATIVE DISORDERS differ greatly. Since only one number can be ...
  9. pdfNLM Technical Bulletin, September-October 1993 
    https://www.nlm.nih.gov/...nical_bulletin_september_october_1993.pdf
    ... DISEASES ENZYMES EPIDEMIOLOGIC METHODS EQUIPMENT A#D SUPPLIES GASTROINTESTINAL DISEASES GENETICS E6; G2.163 E1.223 C6 D8. ...
  10. MEDLINE Data Changes—2020. NLM Technical Bulletin. 2019 Nov–Dec 
    https://www.nlm.nih.gov/.../nd19/nd19_medline_data_changes_2020.html
    ... Rumination, Cognitive with Rumination Syndrome , which is a gastrointestinal disorder. Stress, Psychological with Psychological Distress , which is an ...
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