Implementation, spread and impact of the Patient Oriented Discharge Summary (PODS) across Ontario hospitals: a mixed methods evaluation oleh Shoshana Hahn-Goldberg, Tai Huynh, Audrey Chaput, Murray Krahn, Valeria Rac, George Tomlinson, John Matelski, Howard Abrams, Chaim Bell, Craig Madho, Christine Ferguson, Ann Turcotte, Connie Free, Sheila Hogan, Bonnie Nicholas, Betty Oldershaw, Karen Okrainec