title: Hidden out-of-pocket payments can burden patients' families but are under-recognised.
authors.forename: Hirotsugu
authors.initials: H
authors.lastname: Aiga
mesh_terms: D017028:Caregivers / Q000191:economics; D017281:Cost of Illness; D005192:Family Health / Q000191:economics; D005382:Financing, Personal / Q000191:economics*; D005102:Health Expenditures; D006760:Hospitalization / Q000191:economics*; D006801:Humans; D014744:Vietnam