title: Report from the O.H.A. convention.
mesh_terms: D000368:Aged; D002648:Child; D002649:Child Abuse; D003226:Congresses as Topic; D005653:Fund Raising / Q000379:methods; D006739:Hospital Administration; D006758:Hospital Volunteers; D006761:Hospitals; D006801:Humans; D009864:Ontario; D012954:Societies, Hospital