Subheading Display Combine selections with: ANDOR The last choice we have to make is whether we want to attach any SUBHEADINGS to our subject. Let's follow the rule-of-thumb and include all subheadings so that we don't restrict the search to any one aspect of the topic. Click in the box to Include All Subheading and click on the CONTINUE button. Subheadings for: exp *Heart Diseases Include All Subheadings -- or choose one or more of these subheadings --   /bl - Blood   /mi - Microbiology   /cf - Cerebrospinal Fluid   /mo - Mortality   /ci - Chemically Induced   /nu - Nursing   /cl - Classification   /ps - Parasitology   /co - Complications   /pa - Pathology   /cn - Congenital   /pp - Physiopathology   /di - Diagnosis   /pc - Prevention & Control   /dh - Diet Therapy   /px - Psychology   /dt - Drug Therapy   /ra - Radiography   /ec - Economics   /ri - Radionuclide Imaging   /en - Enzymology   /rt - Radiotherapy   /ep - Epidemiology   /rh - Rehabilitation   /eh - Ethnology   /su - Surgery   /et - Etiology   /th - Therapy   /ge - Genetics   /us - Ultrasonography   /hi - History   /ur - Urine   /im - Immunology   /ve - Veterinary   /me - Metabolism   /vi - Virology

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