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Peptic ulceration at the Hospital for Sick Children, Toronto, during the 20-year period 1949–1969

Hospital MedicinePediatricsGastroenterologyMedical HistoryPediatric Gastroenterology20-Year Period 1949–1969Peptic UlcerationGastrointestinal PathologyClinical GastroenterologySick ChildrenMedicineDigestive System Diseases