[NEW TRENDS IN PREPAID MEDICAL CARE].
D001938:Brazil; D006761:Hospitals; D006801:Humans; D007341:Insurance; D007348:Insurance, Health; D012943:Social Security; D013223:Statistics as Topic
BRAZIL; HOSPITALS; INSURANCE, HEALTH; SOCIAL SECURITY; STATISTICS
NOVOS RUMOS DA ASSIST ENCIA M'EDICA PREVIDENCI'ARIA.