Table 1.
Search strategy: key terms and limits
| Key terms | Limits |
| Private Sector* | Geographic |
| Delivery of Health Care† | Developing countries |
| Health Care Sector† | Low income countries |
| Social marketing* | Middle income countries |
| Marketing of health services† | Linguistic |
| Voucher‡ | English |
| Vouchers‡ | French |
| Franchising‡ | Publication period |
| Franchise‡ | 01/1990 to 05/2006 |
| Accreditation* | |
| Accredited‡ | |
| Education, Pharmacy† | |
| Training‡ | |
| Contracting out‡ | |
| Contract services‡ | |
| Contracting‡ | |
| Facility regulation and control ^† | |
| Regulation‡ | |
| Drugs, Non-Prescription† | |
| Antimalarials† | |
| Drug Labeling† | |
| Drug Packaging† |
*MeSH and free text
† MeSH only
‡ free text only
^legislation and jurisprudence subheading only