1. A look at catastrophic medical expenses and the poor;Berki;Health Affairs,1986
2. Administrative Order No. 51-A: Implementing guidelines on classification of patients and on availment of medical social services in government hospitals;Department of Health (DOH), Philippines,2000
3. Community-based health insurance in low-income countries: a systematic review of the evidence;Ekman;Health Policy and Planning,2004
4. Who benefits from social health insurance? Evidence from the Philippines;Gertler,2002
5. Health financing revisited: A practitioner's guide;Gottret,2006