def show
    @drug_claim = DrugClaimPresenter.new DataModel::DrugClaim.for_show
      .where(name: params[:name].upcase)
      .where('lower(sources.source_db_name) = ?',  params[:source_db_name].downcase)
      .first || not_found("No drug claim from #{params[:source_db_name]} with name #{params[:name]} found!")