Search results
World Development > 2004 > 32 > 2 > 289-304
Social Science & Medicine > 2004 > 58 > 2 > 293-304
Journal of Health Economics > 2004 > 23 > 1 > 173-189
Journal of Adolescent Health > 2003 > 33 > 4 > 271-274
Health policy > 1998 > 44 > 2 > 103-122