Medical care and costs in relation to family income, a statistical source book, selected and compiled by Helen Hollingsworth and Margaret C. Klem... (2e éd.)
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Medical care and costs in relation to family income, a statistical source book, selected and compiled by Helen Hollingsworth and Margaret C. Klem... (2e éd.)
Helen Hollingsworth, Margaret C. Klem, Etats-Unis
Autre
Première publication : 1947