Table 1 Search strategy: key terms and 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†