19thcentury 2013c-990 2017c-683 2018d-899 20thcentury 21stcentury administration caribbeanarea constitutionallaw deliveryofhealthcare developingcountries economics governmentpolicy greatbritain health healthcarecosts healthcarereform healthexpenditures healthinsurance healthpolicy healthservicesaccessibility healthservicesresearch history insurance jurisprudence latinamerica lawandlegislation legislation medicalcare medicaleconomics medicalpolicy nationalhealthinsurance nationalhealthprograms nationalhealthservices organization patient-centeredcare patient-centeredhealthcare righttohealth riskassessment socialsecurity statemedicine unitedstates w100 w1wo87952013 w225fa1 w275aa1d433h2005 w275aa1e4952008 w74aa1 w84da15 wa11aa1 wa540aa1