Composable Data at Cerner - Hadoop: The Definitive Guide - page 780

string firstName;
string lastName;
string dob;
...
}
record LabResult {
string personId;
string labDate;
int labId;
int labTypeId;
int value;
}
record Medication {
string personId;
string medicationId;
string dose;
string doseUnits;
string frequency;
...
}
record Diagnosis {
string personId;
string diagnosisId;
string date;
...
}
record Allergy {
string personId;
int allergyId;
int substanceId;
...
}
/**
* Represents a person's record from a single source.
*/
record PersonRecord {
string personId;
Demographics demographics;
array<LabResult> labResults;
array<Allergy> allergies;
array<Medication> medications;