TY - BOOK AU - Gertler, Paul AU - Gaag, Jacques Van der TI - The Willingness to pay for medical care: evidence from two developing countries SN - 0-8018-4146-1 U1 - 338.433621 21st PY - 1990/// CY - Baltimore PB - John Hopkins University Press KW - Medical economics-Developing countries; Medical care-Developing countries-Finance N1 - Published for world Bank ER -