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Handy & Hard-to-Find MeSH
  1. Diagnostic MeSH
  2. MeSH Containing AND
  3. MeSH for Deficiency & Poisoning
  4. Signs & Symptoms
  5. Study Types
  6. Other Handy MeSH

Ovid's Tools Display lets you search for keywords in MeSH (click Permuted Index) and browse the MeSH hierarchies (click Tree). Although Ovid automatically explodes MeSH from its Mapping Display, on its Tree Display you make it explode by clicking the first box on the right.

Diagnostic MeSH and Subheadings

  • Diagnosis (highest-level tree & subheading)
    • Diagnosis, Differential (rarely focused)
    • Diagnostic Imaging
      • Radiography (tree & subheading)
      • Radionuclide Imaging (tree & subheading)
      • Ultrasonography (tree & subheading)
    • Diagnostic Techniques & Procedures
      • Medical History Taking (The subheading History retrieves historical articles only.)
    • Laboratory Techniques & Procedures
    • Physical Examination
      • Auscultation
      • Neurologic Examination
    • Prognosis
  • Diagnostic Use (subheading only)
  • Sensitivity & Specificity
    • Predictive Value of Tests

MeSH Containing AND

Ovid has difficulty finding MeSH that contain the word and. If you enter such a MeSH with an ampersand or enclose it in quotation marks, Ovid will usually map to it. Some high-level MeSH, however, can only be found by exploring the full tree or by entering the MeSH in quotation marks preceded by exp (e.g., exp "Nutritional and Metabolic Diseases"). To see all MeSH with an embedded AND, select Tools on the Main Page, enter and, check Permuted Index, and click Continue.

  • Bites & Stings
  • Bone & Bones
  • Fees & Charges
  • exp "Nutritional and Metabolic Diseases"
  • Referral & Consultation
  • Sensitivity & Specificity
  • Signs & Symptoms
  • Wounds & Injuries

MeSH for Deficiency and Poisoning

Although Deficiency and Poisoning are usually attached as subheadings, the trees for Deficiency Diseases and Poisoning contain MeSH that incorporate the subheading.

  • Deficiency Diseases
    • Alpha 1-Antitrypsin Deficiency
    • Protein Deficiency
    • Vitamin B Deficiency
  • Poisoning
    • Arsenic Poisoning
    • Food Poisoning
    • Lead Poisoning
    • Mercury Poisoning

Signs & Symptoms

To browse and select the broadest relevant term(s) for your topic:

  1. Enter signs & symptoms (to avoid the AND problem).
  2. Click on its blue MeSH.
  3. Click Full Tree (pale button on upper left).
  4. Click on the red plus sign before a relevant MeSH.
  5. Scroll down to see more-specific MeSH displayed under that term.
  6. Check the boxes to Select individual terms or Explode the trees.
  7. Click the Continue button to combine them with OR and post the results on the Main Page.

Note: The MeSH in this tree are rarely focused.

Examples of major Signs & Symptoms MeSH:

  • Eye Manifestations
  • Neurologic Manifestations
  • Oral Manifestations
  • Pain
  • Skin Manifestations

Study Types

Ovid doesn't map well to these tags. To browse for more terms under Epidemiologic Study Characteristics (which does not map), enter one its MeSH (see samples below) and click Full Tree (button on upper left). To select Publication Types click Limits and then highlight them in a box at the bottom right. To search for other MeSH containing study or studies, click Tools and search for them in the Permuted Index.

  • Case Reports (Publication Type)
  • Clinical Trial (Publication Type)
  • Comparative Study (not in a tree; enter directly on Main Page)
  • Epidemiologic Study Characteristics
    • Epidemiologic Studies
      • Case-Control Studies
      • Cohort Studies
        • Longitudinal Studies
          • Follow-up Studies
    • Clinical Trials
  • Evaluation Studies (Publication Type and MeSH tree)

Other Handy MeSH

  • Abnormalities (high-level tree covering birth defects)
  • Bacterial Infections (Prefer this tree to Infection, which covers just the pathological process.)
  • Communicable Diseases
  • Immunologic Diseases
  • Postoperative Complications
  • Pregnancy Complications
  • Quality of Health Care