@prefix md: <http://www.w3.org/ns/md#> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix rdfa: <http://www.w3.org/ns/rdfa#> .
@prefix schema: <http://schema.org/> .

<sdo_eg_md_30.html> md:item (
 [ a schema:MedicalCondition;
   schema:alternateName "angina pectoris";
   schema:associatedAnatomy [ a schema:AnatomicalStructure;
     schema:name "heart"];
   schema:cause [ a schema:MedicalCause;
     schema:name "atherosclerosis"],
     [ a schema:MedicalCause;
     schema:name "spasms of the epicardial artery"];
   schema:code [ a schema:MedicalCode;
     schema:code "413";
     schema:codingSystem "ICD-9"];
   schema:differentialDiagnosis [ a schema:DDxElement;
     schema:diagnosis [ a schema:MedicalCondition;
       schema:name "heart attack"];
     schema:distinguishingSign [ a schema:MedicalSymptom;
       schema:name "chest pain lasting at least 10 minutes at rest"],
       [ a schema:MedicalSymptom;
       schema:name """repeated episodes of chest pain at rest
        lasting 5 or more minutes
      """],
       [ a schema:MedicalSymptom;
       schema:name """an accelerating pattern of
        chest discomfort (episodes that are more frequent, severe,
        longer in duration, and precipitated by minimal exertion)
      """]];
   schema:name "Stable angina";
   schema:possibleTreatment [ a schema:Drug;
     schema:name "aspirin"],
     [ a schema:DrugClass;
     schema:name "beta blockers"],
     [ a schema:DrugClass;
     schema:name "ACE inhibitors"],
     [ a schema:Drug;
     schema:name "nitroglycerine"];
   schema:riskFactor [ a schema:MedicalRiskFactor;
     schema:name "Age"],
     [ a schema:MedicalRiskFactor;
     schema:name "Gender"],
     [ a schema:MedicalRiskFactor;
     schema:name "Systolic blood pressure"],
     [ a schema:MedicalRiskFactor;
     schema:name "Smoking"],
     [ a schema:MedicalRiskFactor;
     schema:name "Total cholesterol and/or cholesterol:HDL ratio"],
     [ a schema:MedicalRiskFactor;
     schema:name "Coronary artery disease"];
   schema:secondaryPrevention [ a schema:LifestyleModification;
     schema:name "stopping smoking"],
     [ a schema:LifestyleModification;
     schema:name "weight management"],
     [ a schema:LifestyleModification;
     schema:name "increased physical activity"];
   schema:signOrSymptom [ a schema:MedicalSymptom;
     schema:name "chest discomfort"],
     [ a schema:MedicalSymptom;
     schema:name """feeling of tightness, heaviness,
            or pain in the chest"""]]);
   rdfa:usesVocabulary schema: .