Collection agencies: guardians of our credit economy.
D000066:Accounting / Q000379:methods*; D003284:Contract Services / Q000592:standards*; D003657:Decision Making; D005069:Evaluation Studies as Topic; D005376:Financial Management / Q000592:standards*; D006761:Hospitals; D006801:Humans; D010350:Patient Credit and Collection / Q000379:methods*; D011786:Quality Control; D013997:Time Factors