protected function getDiagnosisString($side)
{
$res = '';
if ($this->{$side . '_diagnosis1_id'}) {
$res = $this->{$side . '_diagnosis1'}->term;
}
if ($this->{$side . '_diagnosis2_id'}) {
$res .= ' associated with ' . $this->{$side . '_diagnosis2'}->term;
}
return $res;
}