title: A collective problem of caring.
authors.affiliation: CMAJ, 1867 Alta Vista Dr., Ottawa ON K1G 3Y6. sally.murray@cma.ca
authors.forename: Sally
authors.initials: S
authors.lastname: Murray
mesh_terms: D017047:Cost Sharing; D017281:Cost of Illness; D003906:Developing Countries; D004992:Ethics, Medical; D014943:Global Health; D006801:Humans; D011051:Poliomyelitis / Q000191:economics / Q000517:prevention & control; D012941:Social Responsibility